# Qnt 561 week 3 mcgrawhill questions latest 2016 version

8-2

The following is a list of 29 hospitals in the Cincinnati (Ohio) and Northern Kentucky region

a.       A  sample of five hospitals is to be randomly selected. The random numbers are 09, 16, 00, 49, 54, 12, and 04. Which hospitals are included in the sample?

b.      A sample of five hospitals is to be randomly selected. The random numbers are 09, 16, 00, 49, 54, 12, and 04. Which hospitals are included in the sample?

8-8

A population consists of the following five values, 2,2,3,5,7

a.       List  all sample of  size 3,  and compute the mean of each sample

b.      Compute the mean of the distribution of sample means and population mean

8-12

A sample of five hospitals is to be randomly selected. The random numbers are 09, 16, 00, 49, 54, 12, and 04. Which hospitals are included in the sample?

Compute the mean of the population

8-16

A normal population has a mean of 75 and a standard deviation of 5.  You select a sample of 40

Compute the probability the sample mean is

a.       Less than 74

b.      Between 74 and 76

c.       Between 76 and 77

d.      Greater than 77

9-4

Suppose you know σ and you want an 85% confidence level. What value would you use as z in formula of confidence interval for a population mean?

9-6

A research firm conducted a survey to determine the mean amount steady smokers spend on cigarettes during a week. They found the distribution of amounts spent per week followed the normal distribution with a population standard deviation of \$5. A sample of 64 steady smokers revealed that  xbar = 20

What is the 95% confidence interval estimate  of mu

9-10

Use Appendix B.5 to locate the value of t under the following conditions. (Round your answers to 3 decimal places.)

a.       The sample size is 15 and the level of confidence is 95%

b.      The sample size is 24 and the level of confidence is 98%

c.       The sample size is 12 and the level of confidence is 90%

9-26

Past surveys reveal that 30% of tourists going to Las Vegas to gamble spend more than \$1,000. The Visitor’s Bureau of Las Vegas wants to update this percentage.

a.       The new study is to use the 90% confidence level. The estimate is to be within 1% of the population proportion. What is the necessary sample size?

b.      The Bureau feels the sample size determined above is too large. What can be done to reduce the sample? Based on your suggestion, recalculate the sample size. (Hint: Use an allowable error in the range of 0.01 to 0.05)

9-28

Forty-nine items are randomly selected from a population of 500 items. The sample mean is 40 and the sample standard deviation 9.

Develop a 99% confidence interval for the population mean

Pages (550 words)
Approximate price: -

Why Choose Us

Quality Papers

We value our clients. For this reason, we ensure that each paper is written carefully as per the instructions provided by the client. Our editing team also checks all the papers to ensure that they have been completed as per the expectations.

Over the years, our Acme Homework has managed to secure the most qualified, reliable and experienced team of writers. The company has also ensured continued training and development of the team members to ensure that it keep up with the rising Academic Trends.

Affordable Prices

Our prices are fairly priced in such a way that ensures affordability. Additionally, you can get a free price quotation by clicking on the "Place Order" button.

On-Time delivery

We pay strict attention on deadlines. For this reason, we ensure that all papers are submitted earlier, even before the deadline indicated by the customer. For this reason, the client can go through the work and review everything.

100% Originality

At Essay USA, all papers are plagiarism-free as they are written from scratch. We have taken strict measures to ensure that there is no similarity on all papers and that citations are included as per the standards set.

Our support team is readily available to provide any guidance/help on our platform at any time of the day/night. Feel free to contact us via the Chat window or support email: support@acmehomework.com.

Try it now!

## Calculate the price of your order

We'll send you the first draft for approval by at
Total price:
\$0.00

How it works?

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Our Services

Essay USA has stood as the world’s leading custom essay writing services providers. Once you enter all the details in the order form under the place order button, the rest is up to us.

## Essay Writing Services

At Essay USA, we prioritize on all aspects that bring about a good grade such as impeccable grammar, proper structure, zero-plagiarism and conformance to guidelines. Our experienced team of writers will help you completed your essays and other assignments.