#### Question Details

[answered] 1. A slice of pizza in the college Cafe has a mean price of

1.?A slice of pizza in the college Cafe has a mean price of $2.75 with a standard deviation of $0.29. If you sample 15 days of pizza sales, what is a 99% confidence interval for the price of pizza?

What is your value for E?

What is your confidence interval?

2.?Six different national brands of chocolate chip cookies were randomly selected at the supermarket. The grams of fat per serving are as follows: 8; 8; 10; 7; 9; 9. Assume the underlying distribution is approximately normal. Find the 90% confidence interval for the mean number of grams of fat per serving. (Hint: Use Minitab to find the mean and standard deviation!)

What is your value for E?

What is your confidence interval?

3.?Stanford University conducted a study of whether running is healthy for men and women over age 50. During the first eight years of the study, 2.5% of the?625 members of the 50-Plus Fitness Association died. We are interested in the 99% confidence interval of the?proportion of people over 50 who ran and died in the same eight-year period.

?

What is your value for E?

What is your confidence interval?

4.?Travelers are asked?how many hours they are willing to drive while on vacation in one day.?A total of 86?travelers reported a mean of 11.55 hours with a standard deviation of 1.2 hours. Find the 99% confidence interval for the mean number of hours travelers are willing to drive.

What is your value for E?

What is your confidence interval?

5.?18% of the students at Brockport College live in within five miles of the campus. You take a sample of?84 students. What is the 85% confidence interval for the population**?****proportion**?of students who live within five miles of the campus?

What is your value for E?

What is your confidence interval?

6.?A soccer ball manufacturer wants to estimate the mean circumferance of mini-soccer balls withing 0.15 inch. Determine the minimum sample size needed to construct a 99% confidence interval for the population mean. Assume that the population standard deviation is 0.20 inch.

What is your value for E?

What is your confidence interval?

7.?A camp director is interested in the average number of letters each child sends during his/her camp session. The population standard deviation is known to be 2.5. A survey of 45 campers is taken. The average from the sample is?6.75 with a sample standard deviation of 3.1. Find the 95% confidence interval for the population mean.

What is your value for E?

What is your confidence interval?

**Solution details:**

Answered

QUALITY

Approved

ANSWER RATING

This question was answered on: * Sep 18, 2020 *

* * Solution~0001001224.zip (25.37 KB)

This attachment is locked

We have a ready expert answer for this paper which you can use for in-depth understanding, research editing or paraphrasing. You can buy it or order for a fresh, original and plagiarism-free copy from our tutoring website www.aceyourhomework.com (Deadline assured. Flexible pricing. TurnItIn Report provided)

##### Pay using PayPal (No PayPal account Required) or your credit card . All your purchases are securely protected by .

#### About this Question

STATUSAnswered

QUALITYApproved

DATE ANSWEREDSep 18, 2020

EXPERTTutor

ANSWER RATING

#### GET INSTANT HELP/h4>

We have top-notch tutors who can do your essay/homework for you at a reasonable cost and then you can simply use that essay as a template to build your own arguments.

You can also use these solutions:

- As a reference for in-depth understanding of the subject.
- As a source of ideas / reasoning for your own research (if properly referenced)
- For editing and paraphrasing (check your institution's definition of plagiarism and recommended paraphrase).

#### NEW ASSIGNMENT HELP?

### Order New Solution. Quick Turnaround

Click on the button below in order to Order for a New, Original and High-Quality Essay Solutions.
New orders are original solutions *and precise to your writing instruction requirements. Place a New Order using the button below.*

WE GUARANTEE, THAT YOUR PAPER WILL BE WRITTEN FROM SCRATCH AND WITHIN YOUR SET DEADLINE.