a binomial random variable has n = 18 and p = 0.6 what is the probability of less than 14 successes?

Answer:

48160

Step-by-step explanation:

1.  -4, -2, 0, 2... is an arithmetic sequences with a common difference of 2.

2.1/2, 5/8, 3/4, 13/16... is not an arithmetic sequences.

An arithmetic sequence is a list of numbers with a definite pattern. If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.

The constant difference in all pairs of consecutive or successive numbers in a sequence is called the common difference, denoted by the letter d.

We use the common difference to go from one term to another.

Take the current term and add the common difference to get to the next term, and so on. That is how the terms in the sequence are generated.

The given sequence can only be an arithmetic sequences if they have same common difference

1.

2-0 = 2

0 - (-2) = 2

-2 -(-4) = 2

Thus, the given sequence is an arithmetic sequences with a common difference of 2.

2.

13/16-3/4 = 1/16

3/4 -5/8  = 1/8

5/8 - 1/2 = 1/8

Thus, the given sequence is not an arithmetic sequences.

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Complete question:

Arithmetic Sequences as Linear Functions.

Determine whether each sequence is an arithmetic sequence. Write yes or no.

1. -4, -2, 0, 2, ...

2. 1/2, 5/8, 3/4, 13/16 ...

Answer:

-24 inches

Step-by-step explanation:

Elimination method:

4m = n + 7

3m + 4n + 9 = 0

First, let's get the equations in the same form.

4m - n - 7 = 0

3m + 4n + 9 = 0

Now let's make multiply the first equation by 4 so we can eliminate n.

16m - 4n - 28 = 0

+3m + 4n + 9 = 0

Now we can add the equations.

16m + 3m - 4n + 4n - 28 + 9 = 0

19m + 0n - 19 = 0

19m - 19 = 0

19m = 19

m = 1

Now we put m back into one (or both) of the original equations.

4(1) = n + 7

4 = n + 7

n = -3

If you plug m into the other equation, you get the same result.

Substitution method:

4m = n + 7

3m + 4n + 9 = 0

With this method, we plug one of the equations into the other one. I'm going to use m in the second equation as a substitute for m in the second equation.

3m + 4n + 9 = 0

3m = -4n - 9

m = (-4/3)n - 3

Now I can substitute the right side into the first equation like so:

4[(-4/3)n - 3] = n + 7

(-16n)/3 - 12 = n + 7

(-16n)/3 = n + 19

-16n = 3(n + 19)

-16n = 3n + 57

0 = 16n + 3n + 57

0 = 19n + 57

0 = 19n/19 + 57/19

0 = n + 3

-3 = n

And then we put that back into one of the original equations.

4m = n + 7

4m = -3 + 7

4m = 4

m = 1

Hopefully you learned something from this.

Answer:

Step-by-step explanation:

I'm pretty sure its undefined :))

Explanation:

Vertical angles are always opposite one another, and they form after intersecting two lines. Vertical angles are always congruent (i.e. the same measure).

If there are implicit costs of production, economic profit will be lower than accounting profit.

Implicit costs refer to the opportunity costs of using resources in a particular production process. These costs are not explicitly recorded in accounting statements but represent the value of alternative uses of resources. When implicit costs exist, economic profit will be lower than accounting profit. Accounting profit is calculated by subtracting only explicit costs, such as wages, rent, and materials, from total revenue.

On the other hand, economic profit takes into account both explicit and implicit costs. Implicit costs represent the foregone opportunities or benefits that could have been obtained if resources were used in alternative ways. Since accounting profit does not consider these opportunity costs, it is generally higher than economic profit. Economic profit reflects the true economic performance of a business by considering all costs, both explicit and implicit.

Therefore, if there are implicit costs of production, economic profit will be lower than accounting profit.

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A: accounting profit will exceed economic profit.

Implicit costs of production refer to the opportunity cost of using resources that a firm already owns rather than selling them in the market. These costs are not reflected in accounting records but are included in economic analysis. Accounting profit is calculated by subtracting only explicit costs from total revenue, while economic profit is calculated by subtracting both explicit and implicit costs from total revenue. Since accounting profit does not include implicit costs, it will always be higher than economic profit. In some cases, economic profit may even be negative, indicating that a firm is better off not producing anything at all. Thus, option A is the correct answer. Option B is incorrect because economic profit can be positive or negative. Option C is incorrect because economic profit is always lower than accounting profit. Option D is incorrect because accounting profit can be positive or negative. Option E is incorrect because economic profit and accounting profit are not always equal.

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The number of yards of ribbon Jamal used is 14.4 yards.

In Mathematics, fractions are represented as a numerical value, which defines a part of a whole. A fraction can be a portion or section of any quantity out of a whole, where the whole can be any number, a specific value, or a thing.

Given that, a spool of ribbon is 24 yards long.

Jamal uses 3/5 of the total ribbon.

So, number of yards = 3/5 ×24

= 3×4.8

= 14.4 yards

Therefore, the number of yards of ribbon Jamal used is 14.4 yards.

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Given that ∠1 and ∠2 are supplementary, the measure of ∠1 is 79 degree.

Hence, option D)79° is the correct answer.

Supplementary angles refer to the pair of angles that sum up to 180 degree.

Given the data in the question;

Since ∠1 and ∠2 supplementary angles, they will  sum up to 180 degree.

∠1 + ∠2 = 180°

(2y + 9) + (3y - 4) = 180

Solve for y

2y + 9 + 3y - 4 = 180

5y + 5 = 180

5y = 180 - 5

5y = 175

y = 175/5

y = 35

Hence, the measure of ∠1 will be;

∠1 = 2y + 9

∠1 = 2(35) + 9

∠1 = 70 + 9

∠1 = 79°

Given that ∠1 and ∠2 are supplementary, the measure of ∠1 is 79 degree.

Hence, option D)79° is the correct answer.

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There is sufficient evidence to support the alternative hypothesis H1: σ > σ0. Hence, the answer is option a. Reject H0.

If α is chosen by the analyst to be .025 and X2o= 14.15 with 4 degrees of freedom, then our conclusion for the hypothesis test if H1: σ > σ0 would be: Reject H0.

A hypothesis test is a statistical method of evaluating a claim or assumption about a population parameter based on sample data. A hypothesis test assesses the likelihood of two competing hypotheses, the null hypothesis (H0) and the alternative hypothesis (H1), being true.

A hypothesis test involves comparing a test statistic with a critical value determined from a probability distribution.If the test statistic is less than the critical value, the null hypothesis is not rejected. If the test statistic is greater than the critical value, the null hypothesis is rejected.

The chi-square test is a statistical test that determines if two categorical variables are related or independent of one another. It compares the observed frequencies of categories in a contingency table to the expected frequencies of categories based on a null hypothesis and assesses the likelihood that any difference between the observed and expected frequencies is due to chance or a significant difference exists between the variables.

To determine if the observed frequencies are significantly different from the expected frequencies, a chi-square test statistic is calculated. This statistic is then compared to a critical value from a chi-square distribution with degrees of freedom determined by the size of the contingency table.

Let's apply all the information to solve the problem given above.If the analyst has chosen α= 0.025, then the level of significance or probability of making a Type I error is 0.025.

As a result, we'll compare the critical value with the test statistic to determine if the null hypothesis should be rejected or not.The test statistic X²o=14.15 with 4 degrees of freedom for the given problem statement.

Using a chi-square distribution table with 4 degrees of freedom and α=0.025, we find that the critical value is 9.49.Since the test statistic X²o (14.15) is greater than the critical value (9.49), we reject the null hypothesis H0.

Therefore, we conclude that there is sufficient evidence to support the alternative hypothesis H1: σ > σ0. Hence, the answer is option a. Reject H0.

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Based on the number line provided, the two points that can be combined to make zero are: -5 (Point C) and 5 (Point D)

So, the correct answer is: O C and D

A number line is a visual representation of numbers where each point on the line corresponds to a real number. The line is typically drawn horizontally and extends infinitely in both directions, with zero (0) located at the center.

To use a number line, you can mark specific points on the line to represent different numbers. For example, if you want to represent the number 2 on a number line, you would mark a point two units to the right of the origin (0). Similarly, to represent the number -3, you would mark a point three units to the left of the origin.

Number lines are useful tools for understanding the relationships between numbers and for performing arithmetic operations such as addition, subtraction, multiplication, and division. They can also be used to visualize mathematical concepts such as fractions, decimals, and negative numbers.

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The linear inequality representing the number of apps and games that Kumiko can buy is \(1.25a+2.5g\leq50\).

Expressions using linear inequalities compare any two values using inequality symbols like "," ">," "," or "."

The linear inequality representing the number of apps and games that Kumiko can buy is \(1.25a+2.5g\leq50\).

Expressions using linear inequalities compare any two values using inequality symbols like "," ">," "," or "." These values might be either numerical, algebraic, or both.

The number of apps Kumiko buy is a and the number of games she can buy is g.

The gift card has 50$.

Total amount of apps = 1.25a

Total amount of games = 2.5g

So, the linear equality will be \(1.25a+2.5g\leq50\).

She can can only games and apps for amount less than and equal to $50.

Therefore, The linear inequality representing the number of apps and games that Kumiko can buy is \(1.25a+2.5g\leq50\).

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The given question is Incomplete. Here is the complete question:

Kumiko has a $50 gift card for a Web site that sells apps and games. Games cost $2.50 each, and apps cost $1.25 each. Write an inequality that represents the number of apps a and the number of games g that Kumiko can buy and describe any constraints.

Answer:

0.34

Step-by-step explanation:

Considering the right-angled triangle XYW, an approximate ratio WY/WX is equal to 0.34. The correct option is A.

A right triangle is a triangle in which one of the angles is at a right angle or two of the sides are perpendicular, or more formally, an orthogonal triangle, formerly known as a rectangle triangle. The foundation of trigonometry is the relationship between the sides and various angles of the right triangle.

Considering the right-angled triangle XYW, we would apply the law of cosine to approximate the ratio WY/WX. Mathematically, the law of cosine is given by:

cos(θ) = Adj/Hyp

Where:

Adj is the adjacent side of a right-angled triangle.

Hyp is the hypotenuse of a right-angled triangle.

θ is the angle.

Substituting the given parameters into the formula, we have;

cos(θ) = WY/WX

cos(70) = 3.4/10

0.34 = 0.34.

Therefore, the correct option is A.

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Answer:

The linear equation is y = 450 - 30 x, where y is the number of pages

Lourdes has left to read after x days

Step-by-step explanation:

Each day, Lourdes reads 30 pages of a 450-page book

- We need to write a linear equation to represent the number of pages

 Lourdes has left to read after x days

∵ Lourdes reads 30 pages each day

∵ Lourdes will read for x days

∴ The number of pages Lourdes will read in x day = 30 x

- The left pages will be the difference between the total pages of the

 book and the pages Lourdes read

∵ The book has 450 pages

∵ Loured will read 30 x in x days

∴ The number of pages left = 450 - 30 x

- Assume that y represents the number of pages Lourdes has left

 to read after x days

∴ y = 450 - 30 x

The linear equation is y = 450 - 30 x, where y is the number of

pages Lourdes has left to read after x days

Answer:

Step-by-step explanation:

Given equation:

Solve for variables:

Answers:

The values of Q(C1), Q(C2), and Q(C3) are 4, 4, and π, respectively.

The concept of the integral is a fundamental part of calculus and it is used to calculate the area under a curve or the volume of a 3-dimensional object. In this context, we will be exploring the integral of a two-dimensional set in the R^2 plane.

For every two-dimensional set C contained in R^2 for which the integral exists, the function Q(C) is defined as the double integral of the function (x^2 + y^2) over the set C. The double integral is a mathematical tool for finding the total volume under a surface.

Let's consider the three sets C1, C2, and C3 and find Q(C1), Q(C2), and Q(C3).

C1={(x,y) : −1 ≤ x ≤ 1, −1 ≤ y ≤ 1}

Q(C1) = ∬C1 (x^2 + y^2) dxdy = ∫^1_{-1}∫^1_{-1} (x^2 + y^2) dxdy = ∫^1_{-1} [(x^2 + y^2)/2]^1_{-1} dx = 4.

C2 ={(x,y):−1≤x≤1,−1≤y≤1}

Q(C2) = Q(C1) = 4.

C3 = {(x,y):x^2 + y^2 ≤1}

Q(C3) = ∬C3 (x^2 + y^2) dxdy = π.

In conclusion, the values of Q(C1), Q(C2), and Q(C3) are 4, 4, and π, respectively.

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Hence, point P's coordinates are (6, 3) as the midpoint of the line segment from R to Q, which is the precise halfway point between R and Q.

A point's location on a line or in space can be determined using a set of numbers called coordinates. An x-coordinate and a como, which denote the horizontal as well as vertical ranges from a bench mark known as the origin, are the two numbers that make up coordinates in two-dimensional space. Three numbers, the x, y, and z coordinates, which describe the distances from origin in the x, y, and g directions, respectively, might make up coordinates in three-dimensional space. Among other disciplines, coordinates are frequently employed in physics, arithmetic, and geometry.

given

The midpoint of the line segment from R to Q, which is the precise halfway point between R and Q, must be located in order to determine the coordinates of point P.

We can separately aver the x- and y-coordinates to get the middle.

The midpoint's x-coordinate is (4 + 8)/2, which equals 6.

(0 + 6)/2 = 3 is the midpoint's y-coordinate.

Hence, point P's coordinates are (6, 3) as the midpoint of the line segment from R to Q, which is the precise halfway point between R and Q.

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Answer:

(-3.5 , 2.3)

Step-by-step explanation:

I know

The median number of newspapers sold over seven weeks is 223.

The median is the middle score for a data set arranged in order of magnitude. The median is less affected by outliers and skewed data.

The formula for the median is as follows:

Find the median number of newspapers sold. (87, 87, 215, 154, 288, 235, 231)

We'll first arrange the data in ascending order.87, 87, 154, 215, 231, 235, 288

The median is the middle term or the average of the middle two terms. The middle two terms are 215 and 231.

Median = (215 + 231)/2

= 446/2

= 223

In statistics, the median measures the central tendency of a set of data. The median of a set of data is the middle score of that set. The value separates the upper 50% from the lower 50%.

Hence, the median number of newspapers sold over seven weeks is 223.

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Answer:

10^4

Step-by-step explanation:

10= 10^1
10x10 = 10^2 (2 10s)
10x10x10=10^3 (3 10s)
10x10x10x10=10^4 (4 10s)
basically the number of 10s you are multiplying will be the number of exponents you will use in this case.

Answer:

B

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

the order of letter should resemble the same shape

Answer:Yea looks like you have it already C

Step-by-step explanation:

Answer:

1. -1/2

2. 3/-2

3. 1/2/2

4. 7/2

Step-by-step explanation:

Hope it helped

Answer:

Grace is right

Step-by-step explanation:

3(2-x)-2(6x-8)=

so:

3×2 is 6

3×(-x) is -3x

-2×6x is -12x

-2×(-8) is 16 because -×- equals +

3(2-x)-2(6x-8)

=6-3x-12x+16

= -15x+22

Answer:

Grace

Step-by-step explanation:

Chelsea is wrong because the -2(6x - 8) cancels out the subtraction in the bracket so it should be -12x + 16

Roan did the same.

Please mark me Brainliest

Answer:

he earned 116.25 double check tho I'm not sure

Answer:

$0

Step-by-step explanation:

Henry has $75 in his bank account. If he withdraws $75 from the account, how much money will be left in the account?

$75 beginning balance - $75 withdrawal = $0

When the circle is rotated  around the horizontal dashed line, the resultant figure is a sphere.

A circle is a round figure. The sum of angles in a circle is 360 degrees. The circle could be rotated to yield another figure.

Thus, when a circle such as the one here is rotated  around the horizontal dashed line, the resultant figure is a sphere.

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Answer:

Sphere

Step-by-step explanation:

I got it right on Edmentum

Hook me up with a 5 star and a thanks :)

the slope goes by several names

• average rate of change

• rate of change

• deltaY over deltaX

• Δy over Δx

• rise over run

• gradient

• constant of proportionality

however, is the same cat wearing different costumes.

\((\stackrel{x_1}{3}~,~\stackrel{y_1}{9})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{-1}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{-1}-\stackrel{y1}{9}}}{\underset{\textit{\large run}} {\underset{x_2}{4}-\underset{x_1}{3}}} \implies \cfrac{ -10 }{ 1 } \implies - 10\)

The best description of the standard deviation is "Approximately the mean distance between the individual salaries of employees and the mean of all employees' salaries."

Standard deviation, denoted by σ, is defined as the measure which indicates the average distance of the observations from the mean of the data set. It tells how spread out numbers are. It is equal to the square root of the variance. Variance is the average of the squared differences from the mean.

For the given problem, the standard deviation can be describe as the average(mean) distance of the individual salaries of employees from the mean of all employees' salaries.

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