I'd appreciate the right answer​

Simple Random sampling  as each student is getting equal opportunity to get selected.

Describe random sampling.

A selection of participants from a community are chosen at random by the investigator using simple random sampling, a sort of sampling techniques. Every individual in the population has the same chance of being chosen. Then, information is gathered from as much of this randomly selected subgroup as possible.

Which four forms of random sampling are there?

Simple random sampling, systematic sampling, stratified sampling, and cluster sampling are the four main random (probability) sampling techniques.

What benefit may simple random sampling provide?

The benefits of a simple random sample include its simplicity and accuracy of depiction. Simple random sampling is the easiest way to select a study sample from a bigger population.

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Answer: 18

Step-by-step explanation:

Answer:

B 10 feet

Step-by-step explanation:

at the end of the equation it says +10 which means it starts 10 feet above the ground

An Amazon package shipped to Samantha. with height of 15cm, length of 100cm, and width of 20 cm, the volume of the package is

Volume of a box is calculated by the product of length, width and height OR area multiplied by height

The area is solve by the product of length and width

area = length * width

length = 100  

width = 20

area = 100 * 20

area = 2000 square cm

volume =  area * height

volume = 2000 * 15

volume = 30 000 cubic cm

The volume of the package is 30 000 square cm

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Given:

To Determine:

Solution

Hence:

- n(x) = 8|x| - 4x + 1

Answer:

b

Step-by-step explanation:

Answer:

(C)

Step-by-step explanation:

this is a quadratic equation. the form is \(ax^2+bx+c=0\)

therefore, a=1, b=0, c=-36

The constant of proportionality from the proportional relationship is 3/2

A proportional relationship is a mathematical relationship between two variables in which their ratio is always equal. In other words, if x and y are in a proportional relationship, then y/x is always equal to a constant value, called the constant of proportionality. This can be expressed mathematically as y = kx, where k is the constant of proportionality and x and y are the variables in the relationship.

To determine the constant of proportionality, we need to use the proportional relationship given.

y = kx

k = constant of proportionality

3/8 = k(1/4)

Solve for k

k = [(3/8) / (1/4)]

k = 3/2

k = 1.5

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On solving the provided question, we can say that the slope's the intersection points are: (20.698, 42.197) and (43.998,16.527), the transmitter is within range between those to points along the line.

A line's slope determines how steep it is. A mathematical equation for the gradient is called "gradient overflow" (the change in y divided by the change in x). The slope is the ratio of the vertical change (rise) between two points to the horizontal change (run) between those same two spots. When a straight line's equation is written as y = mx + b, the slope-intercept form of an equation is employed to express it. The y-intercept is located at a location where the line's slope is m, b is b, and (0, b). For instance, the slope of the equation y = 3x - 7 and the y-intercept (0, 7).The line's slope is m. b is b at the point where the y-intercept is, and (0, b). As an illustration, the equation y = 3x - 7 has a slope of 3, and its y-intercept is (0, 7).

city - north at (0,65)

city-east at (59,0)

Slope is m=(-65/59)

\(B= y - mx = 65 - (-65/59)(0) = 65\)

The equation of the line between the cities is y = (-65/59)x + 65

\(x^2 + ( (-65/50)x + 65) )^2 = 47^2\)

the intersection points are:

(20.698, 42.197) and (43.998,16.527)

The transmitter is within range between those to points along the line.

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Answer:3080”

Step-by-step explanation:

The basic arithmetic operations are:

Addition (+): The operation of finding the total of two or more numbers.

Subtraction (-): The operation of finding the difference between two numbers.

Multiplication (*): The operation of finding the product of two or more numbers.

Division (/): The operation of finding the quotient of two numbers, where the numerator is divided by the denominator.

Exponentiation (^ or **): The operation of finding the result of raising a number to a power.

These basic arithmetic operations form the foundation of many mathematical and scientific concepts, and are used in a wide variety of applications. In addition, they are the building blocks for more advanced

mathematical operations, such as logarithms, derivatives, and integrals.

Linear equations are mathematical expressions that describe a linear relationship between two variables. In a linear equation, the highest power of the variables is 1, and the coefficients and variables are related in a straightforward manner.

A linear equation in one variable (such as y = 2x + 1) describes a straight line when plotted on a graph. In two variables, a linear equation describes a plane in three-dimensional space.

Linear equations have the form:

y = mx + b

where x and y are variables, m is the slope of the line, and b is the y-intercept, the point at which the line crosses the y-axis.

Linear equations are used in many fields, including economics, physics, and engineering, to model and analyze relationships between variables.

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Answer:

h = -3y + 2x

Step-by-step explanation:

Add 4x to both sides of the equation.

2h = −6y + 4x

Divide each term in 2h = −6y + 4x by 2 and simplify.

Divide each term in 2h = −6y + 4x by 2.

2h/2 = -6y/2 + 4x/2

Simplify the left side.

h = −6y/2 + 4x/2

Simplify the right side.
Simplify each term.
Cancel the common factor of −6 and 2.

h = -3y+2(2x)/2

Cancel the common factors.
Factor 2 out of 2.

h = -3y+2(2x)/2(1)
Cancel the common factor

h = -3y+2(2x)/2(1)
Rewrite the expression
h = -3y + 2x/1

Divide 2x by 1.
h = -3y + 2x

hopefully its right LOLZ

This problem involves finding the probability that the actual costs for maintenance and repairs in a certain electricity company will exceed the budgeted amount of C450.

We can standardize the distribution of the weekly costs using the z-score formula given:

z = (x - μ) / σ

where x is the budgeted amount, μ is the mean, and σ is the standard deviation.

Substituting the given values, we get:

z = (450 - 400) / 20 = 2.5

Using the z-table, we can find the probability that the actual costs will exceed the budgeted amount as:

P(z > 2.5) = 1 - P(z < 2.5)

From the z-table, we find that P(z < 2.5) = 0.9938

Therefore:

P(z > 2.5) = 1 - 0.9938 = 0.0062

Hence, the probability that the actual costs for maintenance and repairs in the electricity company will exceed the budgeted amount of C450 is 0.0062 or approximately 0.62%.

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Answer:

week = 7 days

7 × 2l = 14 liters in week

months = 30 days

30 x 2l = 60 liters in month

Answer:

She will drink 14 litres in a week.

If the month has 28 days,

56 litres

If the month has 30 days,

60 litres

If the month has 31 days,

62 litres

Step-by-step explanation:

Pls mark as brainliest

The average number of tickets sold per day for the FALL play last week was 25.

The average is the quotient of two values.

The average refers to the mean and is one of the values of central tendencies.

To compute the average or the mean value, the sum of the data values is divided by the number of items.

Day           Tickets Sold

Monday            21

Tuesday           14

Wednesday    38

Thursday        25

Friday             27

5 days Total 125

Average = 25 (125/5)

Thus, the mean or average number of tickets sold per day is 25.

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Answer:

The answer is B

Step-by-step explanation:

The solution of the inequality is, x ∈ (- ∞, 5) ∪ (10, ∞)

Where, x represent the number of totts.

A relation by which we can compare two or more mathematical expression is called an inequality.

We have to given that;

My friend Raw has either no more than 5 toots and more than 10 toots.

Now, Let number of toots = x

Hence, We get;

⇒ x < 5

And, x > 10

Thus, The solution of the inequality is,

⇒ x ∈ (- ∞, 5) ∪ (10, ∞)

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Answer:

The digit that is in the TENS place is 5

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

5 is in the tens place.

6 is in the ones place

0 is in the tenths place

1 is in the hundreths place

8 is in the thousandths place

3 is in the ten thousandths place.

it goes in order from tens to thousandths.

======================================================

Reasoning:

Apply the rule that \(\sqrt{x}*\sqrt{x} = \left(\sqrt{x})^2 = x\)

The squaring operation and square root operation cancel each other out. This is because they are inverses of one another.

For example, 7^2 = 49, and the square root of this leads back to 7.

Going back to the problem at hand, we can say, \(\sqrt{12}*\sqrt{12} = 12\)

Then we can write that '12' at the end as 12/1. This is a ratio or fraction of integers, which makes the number rational.

Any rational number is of the form a/b, where a,b are integers and b is nonzero.

Answer: No!

Step-by-step explanation: This is a parabola. The graph for this function is not straight. We can also tell this is not a linear function because the degree of the function is 2.

Hope this helps :)

No.

y = 3x² + 2 has a degree of 2. So, it'll not make a graph which is a straight line. It's NOT a linear function. Linear functions have a degree of 1 or 0.

This is a quadratic polynomial (degree = 2) & when drawn on a graph, it'll make a parabola.

_____

Hope it helps ⚜

The percentage of households in the town with internet access is estimates as 47.8%, give or take 2.2% or so.

According to statement we have given

239 of the 500 households in the sample had internet access.

So, find sample percentage then

Sample percentage= 500/239 =0.478=47.8%

Thus we estimate the percentage as 47.8%.

The box contains 25,000 tickets of which 47.8% are 1's and the remaining 52.2% tickets are 0's. We will draw 500 tickets from the box.

Number of draws=500

Now, find the SD then

\(SD= (Big number - Small number) * \sqrt{Fraction with big number * fraction with small number}\)

Substitute the values then

\(SD= (1 - 0) * \sqrt{0.478 *0.522}\)

\(SD=0.4995\)

Now find the standard error of sum then

The standard error of the sum is the product of the square root of the number of draws and the standard deviation of the box.

\(SE sum =\sqrt{Number of draws} * SD box\)

\(SE sum =\sqrt{500} * 0.4995\)

\(SE sum =11.16\)

Now find the standard error of percentage then

The standard error of the percentage is the standard error for the sum divided by the sample size.

SE percentage= SE for number/Number of draws ×100%

= 50011.1692×100%

≈0.022×100%

=2.2%

​

Thus the percentage of households in the town with internet access is estimates as 47.8%, give or take 2.2% or so.

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Answer:

it looks like the answer to this problem is $280.

Step-by-step explanation:

i got this answer because you add $100 and $250 together. You will get $350. Then you take 20% of that total. So, 20% of 350 is 70. Now take 350-70, which = 280. and that should be your final answer.

The smallest possible inside length of the cubical steel tank that can hold 275 liters of water is approximately 0.640 meters.

The side length of the cube is found by converting the volume of water from liters to cubic meters, as the unit of measurement for the side length is meters.

Given that the volume of water is 275 liters, we convert it to cubic meters by dividing it by 1000 (1 cubic meter = 1000 liters):

275 liters / 1000 = 0.275 cubic meters

Since a cube has equal side lengths, we find the side length by taking the cube root of the volume. In this case, we find the cube root of 0.275 cubic meters:

∛(0.275) ≈ 0.640

Rounded to the nearest 0.001 meters, the smallest possible inside length of the tank is approximately 0.640 meters.

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Some radix systems have nonzero digits to the right of the radix point for fractional values. So, option B Is correct.

Knowing that the numbers to the right of a radix point reflect negative powers of the radix and that fractional values of other radix systems have nonzero digits to the right of the radix point are two things that we already know. With this knowledge, we can therefore say that in a positional numeral system, the radix or base is the number of distinct digits, including the digit zero, used to represent numbers. Here, we can give an example of the decimal system, which is the most prevalent system in use today. We know that the radix is ten because it uses the ten digits from 0 through 9, so we can say that the decimal system has a base of ten.

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a) No, p1 = 20, p2 = 19.50 is not a Nash Equilibrium.

b) Yes, there is a Nash Equilibrium in which Firm 2 makes a positive profit.

c) Player 1 has infinitely many strategies.

d) Yes, p1 = 15, p2 = 15 is a Nash Equilibrium.

e) No, p1 = 21, p2 = 21 is not a Nash Equilibrium.

Nash Equilibrium is a state of a strategic game where no player has an incentive to deviate from his or her chosen strategy after considering the strategies of other players. A game has more than one Nash equilibrium if players are unable to agree on a cooperative strategy to play.

Finding Nash Equilibrium

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For convenience sake, I will be omitting the arguments of the trig functions.

The parameter in this scenario is the mean level of the toxic chemical in tomatoes from a specific producer. The null hypothesis states that the mean level of the chemical is equal to or below the recommended limit of 0.2 ppm, while the alternative hypothesis states that the mean level exceeds the recommended limit.

The parameter being examined is the mean level of the toxic chemical in tomatoes obtained from a specific producer. The consumer health group wants to determine whether the mean level of the chemical in these tomatoes exceeds the recommended limit of 0.2 ppm.

The null hypothesis (H0) states that the mean level of the chemical in tomatoes from this producer is equal to or below the recommended limit: μ ≤ 0.2 ppm.

The alternative hypothesis (Ha) states that the mean level of the chemical in tomatoes from this producer exceeds the recommended limit: μ > 0.2 ppm.

In other words, the null hypothesis assumes that the tomatoes do not have a significantly higher mean level of the toxic chemical, while the alternative hypothesis suggests that there is evidence to support a higher mean level.

By conducting appropriate statistical tests on the sample data, the consumer health group can make conclusions about whether the mean level of the toxic chemical in tomatoes from this producer exceeds the recommended limit of 0.2 ppm.

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The total number of homework problems to be 12, and the number of problems to be graded to be 5.

The total number of different groups of 5 problems that can be selected from the given set of 12 homework problems. We can use the combination formula here:$$ _{12}C_{5} = \frac{12!}{5!(12-5)!} = \frac{12\times11\times10\times9\times8}{5\times4\times3\times2\times1} = 792 $$Therefore, there are 792 different groups of 5 problems that can be chosen from the 12 problems. b.) We are given that Jerry did only 5 problems of one assignment. Since there are a total of 12 problems, and Jerry did only 5 of them, there are $$ _{12}C_{5} = \frac{12!}{5!(12-5)!} = 792 $$ways to choose 5 problems for grading. Now, we need to find the probability that the problems Jerry did comprised the group that was selected to be graded. Since Jerry did only 5 problems, there are a total of ${{12}\choose{5}}$ ways to choose a group of 5 problems out of 12. Out of those groups, there is one group that contains the problems Jerry did. So, the probability that the problems Jerry did comprised the group that was selected to be graded is $$ \frac{1}{{12}\choose{5}} = \frac{1}{792} $$c.) We are given that Silvia did 7 problems out of a total of 12. Now, we need to find the total number of different groups of 5 that Silvia completed. We can use the combination formula here:$$ _{7}C_{5} = \frac{7!}{5!(7-5)!} = \frac{7\times6}{2\times1} = 21 $$Therefore, Silvia completed a total of 21 different groups of 5. Now, we need to find the probability that one of the groups of 5 Silvia completed comprised the group selected to be graded. The total number of different groups of 5 that can be selected from the 12 problems is $$ _{12}C_{5} = \frac{12!}{5!(12-5)!} = 792 $$Out of those groups, there are 21 groups that Silvia completed. So, the probability that one of the groups of 5 Silvia completed comprised the group selected to be graded is $$ \frac{21}{792} = \frac{7}{264} $$.

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Given that:

CI = ₹408

years = 2 years

Rate of interest = 4%

A = P{1+(R/100)}^

A-P = p{1+(R/100)}^n - P

I = P[1+(R/100)}^n - 1]

408 = P[{1+(4/100)²} - 1]

= P[{1+(1/25)²} - 1]

= P[(26/25)² - 1]

= P[(676/625) - 1]

= P[(676-625)/625]

408 = P(51/625)

P = 408*(625/51)

= 8*625 = 5000

Sum = 5000

Simple Interest (I) = (P*R)/100

= 5000*2*(4/100)

= 50*2*4 = 400

From the given above options, option (a) ₹400 is your correct answer.

Answer:

79.2135

Step-by-step explanation:

5.34 - 2.52 = 2.82

2.82 divided by 0.0356 = 79.2135