In particular, a group of researchers, in 2008, made a quite devastating practical attack on MD5. They were able create a rogue Certificate Authority (CA) cert by abusing a collision. Take a look at the detailed analysis in [0] and briefly elaborate on how they were able to accomplish this attack and what the 'fallout' was from this with respect to TLS.
Required:
Why is it important to have a secure hashing function for this TLS enviornment?
Answers
Having a secure hashing function is crucial for the TLS (Transport Layer Security) environment due to its role in ensuring the integrity and authenticity of data exchanged between parties.
In TLS, hashing functions are used for various purposes, including generating message digests, creating digital signatures, and verifying the integrity of transmitted data.
One of the primary reasons for using a secure hashing function in TLS is to protect against tampering and forgery of data.
A secure hash function takes an input (such as a message or a certificate) and produces a fixed-size output, known as the hash or digest.
The hash should exhibit several properties, including collision resistance and preimage resistance.
Collision resistance means that it should be computationally infeasible to find two different inputs that produce the same hash.
Preimage resistance means that given a hash, it should be computationally infeasible to find the original input that generated that hash.
These properties are essential to prevent attackers from creating forged certificates or manipulating transmitted data without detection.
In the case of the MD5 attack on the Certificate Authority (CA) in 2008, the researchers were able to exploit the vulnerability in the MD5 hashing algorithm to generate a rogue CA certificate.
They used a collision attack, which involves finding two different inputs that produce the same hash value.
By doing so, they were able to create a fraudulent certificate that appeared valid, undermining the trust and security of the TLS ecosystem.
The fallout from this attack was significant.
It highlighted the inherent weaknesses in the MD5 hashing algorithm and raised concerns about the security of TLS and the public key infrastructure (PKI) system that relies on certificates for authentication and secure communication.
The attack demonstrated that if a hashing algorithm is vulnerable to collision attacks, attackers can undermine the trust in digital certificates and impersonate legitimate entities.
As a result, the industry recognized the need for stronger and more secure hashing algorithms.
MD5 was deprecated for cryptographic use, and stronger alternatives like SHA-256 (Secure Hash Algorithm 256-bit) were recommended.
The incident also led to improvements in the TLS protocol, including the adoption of more robust hash functions and stronger encryption algorithms to enhance overall security and protect against similar attacks in the future.
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Related Questions
HELP ASAP!!!!!!!
Which one of these is an example of soft skills?
coding in Python
creating a flowchart
having a good work ethic
using project management software
Answers
Zelda has been a victim of cybersecurity attacks twice, losing considerable sums of money each time. How can she ensure that she does not become a victim to it again
Answers
What Zelda who has been a victim of cybersecurity attacks do so as to avoid the occurrence in future is to : configure all her gadgets so they can download as well as install security updates automatically.
cybersecurity attacks can be regarded as cyber crime where the information of people are used to commit crime.So for Zelda not be a victim again she need to configure her gadget so security update can be done automatically so as to avoid the occurrence.Learn more
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for the ip address, 10.10.40.2/19, what is its subnet address and subnet mask in decimal?
Answers
To find the subnet address and subnet mask in decimal for the IP address 10.10.40.2/19, please follow these steps:
1. Convert the prefix length (/19) to a binary subnet mask:
The prefix length of 19 means that the first 19 bits are set to 1, and the remaining bits are set to 0. The binary subnet mask will look like this: 11111111.11111111.11100000.00000000
2. Convert the binary subnet mask to decimal:
11111111.11111111.11100000.00000000 in decimal is 255.255.224.0. This is the subnet mask.
3. Perform a bitwise AND operation between the IP address and the subnet mask to find the subnet address:
IP address (in binary): 00001010.00001010.00101000.00000010
Subnet mask (in binary): 11111111.11111111.11100000.00000000
Subnet address (in binary): 00001010.00001010.00100000.00000000
4. Convert the binary subnet address to decimal:
00001010.00001010.00100000.00000000 in decimal is 10.10.32.0. This is the subnet address.
Your answer: For the IP address 10.10.40.2/19, its subnet address is 10.10.32.0, and its subnet mask in decimal is 255.255.224.0.
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What is the most widely accepted biometric authorization technology? Why do you think this technology is acceptable to users?
Answers
The most widely accepted biometric authorization technology is fingerprint scanning. Fingerprint scanning is accepted by users because it is a non-invasive method of authentication that is both quick and easy to use. Fingerprint scanning also provides a high level of accuracy and security, which is important in today's world of cyber threats and identity theft.
Additionally, many smartphones and other devices already incorporate fingerprint scanners, making it a familiar and convenient method for users.
Biometric authentication is a cybersecurity method that uses a user's unique biological characteristics, like their fingerprints, voices, retinas, and facial features, to verify their identity. When a user accesses their account, biometric authentication systems store this information to verify their identity.
Unique mark acknowledgment and iris checking are the most notable types of biometric security. However, facial recognition and vein pattern recognition (of the fingers and palms) are also gaining popularity. The advantages and disadvantages of each of these biometric security methods are discussed in this article.
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ill give brainliest whoever does this fsteset.
an array has been created which stores names. write an algorithm which saves each name on a new line in a text file called student.txt.
names["jane", "Humayun" , "Cora" , " Astrid" , "Goran"]
Answers
The algorithm which saves each name on a new line in a text file called student.txt is given as follows:
names = ["jane", "Humayun", "Cora", "Astrid", "Goran"]
with open("student.txt", "w") as file:
for name in names:
file.write(name + "\n")
What is the rationale for the above response?Open the file student.txt in write mode.
Loop through each name in the array names:
a. Write the current name to the file followed by a newline character.
Close the file.
This will create a new text file called student.txt (or overwrite it if it already exists) and write each name from the names array on a new line in the file. The "\n" character at the end of each name ensures that each name is written to a new line in the file.
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What best describes the difference between plagiarism and fair use?
a Plagiarism is copying material without crediting the source, while fair use is a limited, nonprofit use.
b Plagiarism is copying material for profit, while fair use is a limited, non-profit use.
c Plagiarism is any copying of material without credit to the source, while fair use is unlimited nonprofit use.
d Plagiarism allows for unlimited, nonprofit use, while fair use is copying material for profit.
Answers
Answer:
What best describes the difference between plagiarism and fair use?
Explanation:
b Plagiarism is copying material for profit, while fair use is a limited, non-profit use.
Answer:
Its A Not B!!!!!
Plagiarism is copying material without crediting the source, while fair use is a limited, nonprofit use.
Explanation:
how does a demilitarized zone (dmz) work. A.By preventing a private network from sending malicious traffic to external networks B.by monitoring traffic on a private network to protect it from malicious traffic. C. by interacting directly with external networks to protect. D. by interacting with a private network to ensure proper functioning of a firewall E.by monitoring traffic on external networks to prevent malicious traffic from reaching a private network
Answers
Answer:
C. by interacting directly with external networks to protect a private network.
Explanation:
Data theft can be defined as a cyber attack which typically involves an unauthorized access to a user's data with the sole intention to use for fraudulent purposes or illegal operations. There are several methods used by cyber criminals or hackers to obtain user data and these includes DDOS attack, SQL injection, man in the middle, phishing, etc.
Phishing is an attempt to obtain sensitive information such as usernames, passwords and credit card details or bank account details by disguising oneself as a trustworthy entity in an electronic communication usually over the internet.
Phishing is a type of fraudulent or social engineering attack used to lure unsuspecting individuals to click on a link that looks like that of a genuine website and then taken to a fraudulent web site which asks for personal information.
In order to prevent a cyber attack on a private network, users make use of demilitarized zone (DMZ) depending on the situation.
A demilitarized zone (DMZ) work by interacting directly with external networks to protect a private network.
Place the steps for attaching a file to a message in order from top to bottom.
CORRECT ORDER IS
1. Look under the message tab
2. Click attach file
3. Locate and select a file
4. Click Insert
Computer App-office 2016
Answers
Answer:
Answers in order;
Look under the Message tab
Click attach file
locate and select file
click insert
Explanation:
T/F. the components in an array object may refer to other array objects. the number of bracket pairs used in the declaration of the reference variable indicates the depth of array nesting (in the sense that array elements can refer to other array objects).
Answers
TRUE statement that An array object's components may make references to other array nesting.
How can an array be nested in JavaScript?Utilizing the technique A new array is created by concatenating all sub arrays recursively up to the depth you choose using the Array. Array. flat() method. Simply explained, flat() will assist you in joining all entries together into a single array if you have an array of arrays (perhaps more arrays within them).
I need to retrieve a nested array.A nested array's elements can be accessed in what way You must first access an element of the outer array that yields an inner array in order to access an element of the multidimensional array, and then use another square bracket to access the element of the inner array.
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A nurse has forgotten the computer password and asks to use another nurse's password to log on to the computer. which response by the coworker demonstrates safe computer usage?
Answers
A response by the coworker which demonstrates safe computer usage is: B) telling the nurse that she may not use the password.
What is a password?A password can be defined as a string of characters, phrase or word that is designed and developed to distinguish an unauthorized user from an authorized user, especially through an identification and authentication process.
What is a password policy?A password policy can be defined as a set of rules and standard that are designed and developed by the data security or networking team of an organization, so as to enhance computer security and ensure all password meet the minimum requirements such as:
Password maximum age.Password minimum length.Password combinationIn this context, we can reasonably infer and logically deduce that a response by the coworker which demonstrates safe computer usage is telling the nurse that she may not use the password because it should never be shared..
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Complete Question:
A nurse says she's forgotten her computer password and asks to use another nurse's password to log on to the computer. Which response by the coworker demonstrates safe computer usage?
A) writing down the password so the nurse won't forget it
B) telling the nurse that she may not use the password
C) telling the nurse that she may use the password
D) telling the nurse to ask someone else for their password
how to enter a number for red green and blue components
Answers
The Python 3 program that shows whether the RGB values entered by the user fall inside a certain range is written as follows:
r = int(input('Enter red value between 0 - 255'))
g = int(input('Enter green value between 0 - 255'))
b = int(input('Enter blue value between 0 - 255'))
What is meant by the program?A series or group of instructions written in a programming language and intended for computer execution is referred to as a computer programme. Software comprises documentation and other intangible components in addition to computer programmes, which are only one part of the whole. The source code of a computer programme is what is visible to humans. A computer can carry out a set of instructions called a programme. Computers can understand the sequence, clarity, and language of programmes. The three different categories of software for computers are systems software, programming software, and applications software.#accepts inputs for red, green, and blue values from the user
vals = {'red':r, 'green':g, 'blue':b}
#assign the user-inputted values as the values by reading the values into a dictionary.
for k, v in values.items():
#iterate through the dictionary as key-value pairs
if(v < 0) or (v > 255):
#Check if the values inputted are within range (0 - 255)
print('%s is not correct' %k)
Display the name of the color and indicate that it is incorrect for any value that is outside of the acceptable range.
The program's example run is attached below.
The complete question is:
Ask the user to enter a number for red, green, and blue components of an RGB value. Test to make sure each value is between 0 and 255 inclusive. If a color's value is out of range, print which component is not correct (e.g., "Red number is not correct" if the red value is 300). Multiple colors may be out of range.
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How are the waterfall and agile methods of software development similar?
Answers
The waterfall and agile methods of software development are similar in that they both aim to develop software in an organized and efficient manner. However, they differ in the approach they take to achieve this goal.
The waterfall method is a linear, sequential method of software development. It follows a defined process with distinct phases, such as requirements gathering, design, implementation, testing, and maintenance. Each phase must be completed before the next phase can begin, and changes to the software are not allowed once a phase is completed.
On the other hand, Agile method is an iterative and incremental approach to software development. It emphasizes on flexibility, collaboration, and customer satisfaction. Agile method encourages regular inspection and adaptation, allowing for changes and improvements to be made throughout the development process. Agile methodologies, such as Scrum and Kanban, follow an incremental approach, where the software is developed in small chunks called iterations or sprints.
Both Waterfall and Agile approach have their own advantages and disadvantages and are suitable for different types of projects and teams. It is important to choose a method that aligns with the specific needs and goals of the project and the team.
what type of environment variables are established at login? a. extended b. batch c. predefined d. local
Answers
According to the question, local type of environment variables are established at login.
What is variables?A variable is a storage location that holds data which can be changed depending on the program being run. Variables are used in computer programming to store values that may change depending on the program’s logic. Variables can store a variety of data types, such as strings, integers, decimals, and Boolean values. Variables are commonly used in loops to store the current value of a loop counter. Variables are also used to store user-defined values, such as the name of a user or any other data that can be used to personalize a program. Variables also allow programs to perform calculations, store data, and execute control flow instructions. Variables are identified with unique names and can be declared as either local or global variables. Local variables have a local scope, meaning they can only be accessed within the function where they are declared. Global variables, on the other hand, are accessible throughout the entire program.
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Write a program in java to input N numbers from the user in a Single Dimensional Array .Now, display only those numbers that are palindrome
Answers
Using the knowledge of computational language in JAVA it is possible to write a code that input N numbers from the user in a Single Dimensional Array .
Writting the code:class GFG {
// Function to reverse a number n
static int reverse(int n)
{
int d = 0, s = 0;
while (n > 0) {
d = n % 10;
s = s * 10 + d;
n = n / 10;
}
return s;
}
// Function to check if a number n is
// palindrome
static boolean isPalin(int n)
{
// If n is equal to the reverse of n
// it is a palindrome
return n == reverse(n);
}
// Function to calculate sum of all array
// elements which are palindrome
static int sumOfArray(int[] arr, int n)
{
int s = 0;
for (int i = 0; i < n; i++) {
if ((arr[i] > 10) && isPalin(arr[i])) {
// summation of all palindrome numbers
// present in array
s += arr[i];
}
}
return s;
}
// Driver Code
public static void main(String[] args)
{
int n = 6;
int[] arr = { 12, 313, 11, 44, 9, 1 };
System.out.println(sumOfArray(arr, n));
}
}
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in 100 word, tell me who is a significant public figure who has the job profile as a "set designer" and explain why
Answers
A significant public figure who holds the job profile of a set designer is Sarah Jones.
Sarah Jones is a highly regarded and influential public figure in the field of set design. With her exceptional talent and creativity, she has made a significant impact on the world of film and theater. As a set designer, Sarah Jones is responsible for conceptualizing and creating the visual environment of a production. She collaborates closely with directors, producers, and other members of the production team to bring their vision to life. Sarah's expertise lies in her ability to transform abstract ideas into tangible and captivating sets that enhance the overall storytelling experience.
Sarah Jones' work is characterized by her meticulous attention to detail and her ability to capture the essence of a story through her designs. She carefully considers the mood, time period, and thematic elements of the production, ensuring that the set not only complements the performances but also adds depth and authenticity to the narrative. Sarah's portfolio includes a diverse range of projects, from period dramas to futuristic sci-fi films, each demonstrating her versatility and artistic vision.
In addition to her creative talents, Sarah Jones is known for her professionalism and effective communication skills. She understands the importance of collaboration and works closely with the entire production team to ensure a seamless integration of the set design with other elements such as lighting, costumes, and sound. Her ability to effectively translate ideas into practical designs, coupled with her strong organizational skills, makes her an invaluable asset to any production.
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Give an example where traditional laws and modern media have created "grey areas".
Answers
when you create a data source, word saves it by default as a microsoft office address _______.
Answers
When you create a data source in Word, it is saved by default as a Microsoft Office address book.
This is a convenient feature that allows you to easily access your data source and use it in various documents. An address book is essentially a database of contacts that can be used to populate fields in a document. When you create a data source, you can choose to store it as a separate file or within the document itself. If you choose to store it as a separate file, Word will save it in a format that can be easily imported into other programs, such as Excel or Outlook. This makes it easy to share your data source with others or to use it in multiple documents. It is important to note that Word supports a variety of data source formats, including Access, Excel, and SQL Server. Regardless of the format you choose, Word will save your data source as a Microsoft Office address book by default.
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When two variables have a negative correlation, A. when the x-variable increases, the y-variable increases. B. when the x-variable increases, the y-variable decreases. C. one variable will move while the other remains constant. D. the variables' values are never negative.
Answers
When two variables have a negative correlation, it means that they have an inverse relationship. Therefore, option B is the correct answer.
For instance, let's say we have two variables: the number of hours spent studying for an exam and the score received on that exam. If these variables have a negative correlation, it means that as the number of hours spent studying increases, the score received on the exam decreases.
Negative correlation can range from -1 to 0, where -1 indicates a perfect negative correlation, and 0 indicates no correlation at all. In a perfect negative correlation, a unit increase in one variable will always lead to a unit decrease in the other variable.
In conclusion, when two variables have a negative correlation, the correct option is B. As the x-variable increases, the y-variable decreases. Negative correlation is essential in statistical analysis as it helps to understand how changes in one variable impact another variable.
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Need answer ASAP. I’ll mark brainliest if correct
Answers
Answer:
I am pretty sure for the first option the answer is tasks, and for the second option, it is logical.
Explanation:
"tasks to be performed in a logical manner" sounds right to me.
please help with this question
Answers
Answer:
whats the problem/question?
Explanation:
A progress Bar appears as a Dark blue line in the Gantt chart Bar when
OA. We print the Repda
OB. We enter the actual values
OC. We create Summary Tasks
OD. We Enter Resources
Answers
Answer: The answer is OD
Explanation:
The answer is OD. We Enter Resources. A progress bar in a Gantt Chart Bar will appear when resources are entered, as the progress bar is used to visually show how much of the task has been completed. When resources are entered, the progress bar will be blue to indicate the amount of work done by each resource on the task.
After you clock in/clock out can you change this?
Answers
Yes, it is possible to change your clock in/clock out times if there was a mistake or if there were extenuating circumstances.
It's important to follow the proper protocols and procedures for making changes to your time clock records, which may vary depending on your employer's policies. It's always a good idea to communicate with your supervisor or HR representative if you need to make any changes to your time clock records.
A clock in clock out system is a time clock app or software that allows employees to with time tracking and also mark time and attendance. These systems help calculate work, break, and overtime hours. These systems help businesses be compliant with the labor laws of your country.
Employees are required to clock in at or before their scheduled start time. If they are late, they must notify their manager or supervisor per [Company] policy. Employees are not allowed to clock out prior to the scheduled end of the shift, unless authorized in advance by a manager.
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(a) Willow has created a hangman program that uses a file to store the words the program can select from. A sample of this data is shown in Fig. 3.
Fig. 3
crime, bait, fright, victory, nymph, loose.
Show the stages of a bubble sort when applied to data shown in Fig. 3.
(b) A second sample of data is shown in Fig. 4.
Fig. 4.
amber, house, kick, moose, orange, range, tent, wind, zebra.
Show the stages of a binary search to find the word "zebra" when applied to the data shown in Fig. 4.
Answers
(a) A bubble sort applied to the data in Fig. 3 produces these stages:
Loose, crime, bait, fright, victory, nymph
Crime, loose, bait, fright, victory, nymph
Bait, crime, loose, fright, victory, nymph
Fright, bait, crime, loose, victory, nymph
Victory, fright, bait, crime, loose, nymph
Nymph, victory, fright, bait, crime, loose.
(b) When a binary search is conducted in order to find the word "zebra" in the data in Fig. 4, the following yield occurs:
The search begins by looking at the list's middle item, which is "orange".
Hope to explain the bubble sortSince "zebra" comes after "orange" alphabetically, the search continues amongst the second half of the list.
The centermost item on this narrowed down list proves to be "tent", from there, it is deduced that "zebra" must go after "tent" alphanumerically.
Likewise, the process is repeated for the reminder of the sequence.
Moving forward, the search encounters "wind" in its midst, again concluding that zebra has to appear subsequently.
Finally, when observing the midpoint of the remainder, "zebra" is pinpointed as the desired result.
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How can i print an art triangle made up of asterisks using only one line of code. Using string concatenation (multiplication and addition and maybe parenthesis)?
Answers
#include <iostream>
int main(int argc, char* argv[]) {
//One line
std::cout << "\t\t*\t\t\n\t\t\b* *\t\t\b\n\t\t\b\b* *\t\t\b\b\n\t\t\b\b\b* *\t\t\b\b\b\n\t\t\b\b\b\b* *\t\t\b\b\b\b\n\t\t\b\b\b\b\b* * * * * *\t\t\b\b\b\b\b\n";
return 0;
}
Yes, it is possible with a single line and using escape sequences, but it is tedious and not recommended. Instead, you can use loops to write more readable and easy on the eyes code. We only used the cout method (C++). Good luck!
When inputting an answer, round your answer to the nearest 2 decimal places (for VARIANCE round to 4 decimal places). If you need to use a calculated number for further calculations, DO NOT round until after all calculations have been completed. For the final answer, Round to 2 decimal places (for VARIANCE round to 4 decimal places). Q3) A stock has monthly retums of −22.28%,−04.25%,08.17%, and 25.95%. What is the stock's geometric average retum? (2 points)
Answers
The stock's geometric average return is approximately -0.2449, or -24.49% when rounded to two decimal places.
To calculate the geometric average return of a stock, we need to multiply all the individual returns and then take the nth root, where n is the number of returns.
Given the monthly returns of the stock:
Return 1: -22.28%
Return 2: -04.25%
Return 3: 08.17%
Return 4: 25.95%
To calculate the geometric average return, we perform the following steps:
1. Convert the percentage returns to decimal form:
Return 1: -22.28% = -0.2228
Return 2: -04.25% = -0.0425
Return 3: 08.17% = 0.0817
Return 4: 25.95% = 0.2595
2. Multiply all the decimal returns together:
Product = (-0.2228) * (-0.0425) * (0.0817) * (0.2595) = -0.0013816396
3. Take the fourth root (since there are four returns):
Geometric Average Return = Product^(1/4) = (-0.0013816396)^(1/4) ≈ -0.2449
Therefore, the stock's geometric average return is approximately -0.2449, or -24.49% when rounded to two decimal places.
Note that the negative sign indicates a negative return, which means the stock has experienced an average decrease in value over the given period.
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All my progress drop does it refresh everyday pls answer ASAP
Answers
One advantage of the _____ is that it allows the user to view all of the individual data points, instead of just the shape of the distribution
Answers
The stem and leaf's ability to display all of the individual data points, rather than just the distribution's shape, is a benefit.
What does statistics' frequency distribution mean?A frequency distribution is defined. To make the information easier to understand, frequency distributions are visual displays that organize and present frequency counts. Absolute frequencies as well as relative frequencies, such as percentages or ratios, can be displayed in frequency distributions.
What is a key benefit of examining visual representations of the data, such as frequency?What is an important consideration when looking at data visualizations like frequency tables and histograms? We may gain more understanding of the set of numbers from the patterns that the data reveals.
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Which of these would make text on a slide difficult to read?
Ohigh contrast between text and background
Olow contrast between text and background
O a sans serif font
O a large font when the presentation is in a large room
Answers
Jessie has received a contract to build a real-time application for a baker. However, the baker doesn't want to invest too much money. His only
requirement is that he wants the customers to know which cupcakes are available at what time and in what quantity. So his core requirement is
that the details of product should be in real time. What platform can Jessie use to develop this application?
A. Polymer
B. Gulp
C. Meteor JS
D. Ionic Framework
Answers
Answer:Ok so dont quote me on this but i THINK its C
Explanation:
becuase Javascript is more of a common language and a good percentage of times c is the best choice
Hey i need some help with code.org practice. I was doing a code for finding the mean median and range. the code is supposed to be including a conditional , parameter and loop. I'm suppose to make a library out of it and then use the library to test the code? please help!
here is the link to the code.
https://studio.code.org/projects/applab/YGZyNfVPTnCullQsVFijy6blqJPMBOgh5tQ5osNhq5c
P.S. you cant just type on the link i shared you have to click view code and then remix to edit it. thanks
Answers
Answer:
https://studio.code.org/projects/applab/YGZyNfVPTnCullQsVfijy6blqJPMBOgh5tQ5osNhq5c
Explanation: