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Alex17521 [72]
3 years ago
7

A building has 4 offices. There are 4 people in each of the offices. Each person has 4 chairs. How many chairs are in the buildi

ng? Enter your answer in the box.
Mathematics
2 answers:
sergey [27]3 years ago
7 0
4 x 4 x 4 = your answer

= 16 x 4

= 64

64 is your answer

hope this helps
vfiekz [6]3 years ago
3 0
You'd just have to cube the 4 
4x4x4=64
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Is this a proportional relationship?
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hoped this helped let me know if it did

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the class had a pizza party 3/8 of a pizza was left over and 4/8 of a pizza with other pizza was left over you put them both int
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Write the equation of the line that passes through the points (1, 1) and (2, 4). Write your answer in slope-intercept form
navik [9.2K]

Answer:

The answer in slope-intercept form is y = 3x - 2.

8 0
3 years ago
A report on consumer financial literacy summarized data from a representative sample of 1,664 adult Americans. Based on data fro
daser333 [38]

Answer:

a. The 95% confidence interval for the proportion of all adult Americans who would give themselves a grade of A or B on their financial knowledge of personal finance is (0.54, 0.588). This means that we are 95% sure that the true proportion of all adult Americans who would give themselves a grade of A or B on their financial knowledge of personal finance is between these two bounds.

b. Because this confidence interval is entirely above 0.5, the interval is consistent with the statement that a majority of adult Americans would give themselves a grade of A or B.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

Sample of 1,664 adult Americans, 939 people in the sample would have given themselves a grade of A or B in personal finance.

This means that n = 1664, \pi = \frac{939}{1664} = 0.5643

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5643 - 1.96\sqrt{\frac{0.5643*0.4357}{1644}} = 0.54

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5643 + 1.96\sqrt{\frac{0.5643*0.4357}{1644}} = 0.588

The 95% confidence interval for the proportion of all adult Americans who would give themselves a grade of A or B on their financial knowledge of personal finance is (0.54, 0.588). This means that we are 95% sure that the true proportion of all adult Americans who would give themselves a grade of A or B on their financial knowledge of personal finance is between these two bounds.

(b) Is the confidence interval from part (a) consistent with the statement that a majority of adult Americans would give themselves a grade of A or B?

Yes, because the confidence interval is entirely above 0.5.

Because this confidence interval is entirely above 0.5, the interval is consistent with the statement that a majority of adult Americans would give themselves a grade of A or B.

8 0
2 years ago
Find the mean of the integers -45 -20 -35 -25 -40
maxonik [38]

Answer:

-33

The mean of the data set -45, -20, -35, -25, and -40 is -33.

Hope it helps.

8 0
3 years ago
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