# Question 1A sample of 81 account balances of a credit compan

Question 1A sample of 81 account balances of a credit compan.
Question 1A sample of 81 account balances of a credit company showed an average balance of \$1,200 with a standard deviation of \$126.Formulate the hypotheses that can be used to determine whether the mean of all account balances is significantly different from \$1,150.Compute the test statistic.Using the p-value approach, what is your conclusion? Let = .05.Question 2 During the recent primary elections, the democratic presidential candidate showed the following pre-election voter support in Alabama and Mississippi. We want to determine whether or not the proportions of voters favoring the Democratic candidate were the same in both states. Provide the hypotheses.Compute the test statistic.Determine the p-value; and at 95% confidence, test the above hypotheses.Question 3 In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following information was gathered. Develop an interval estimate for the difference between the average yearly incomes of the marketing managers in the East and West. Use = 0.05.At 95% confidence, use the p-value approach and test to determine if the average yearly income of marketing managers in the East is significantly different from the West.
Question 1A sample of 81 account balances of a credit compan

Don't use plagiarized sources. Get Your Custom Essay on
Question 1A sample of 81 account balances of a credit compan
Just from \$13/Page
Calculate the Price of your PAPER Now
Pages (550 words)
Approximate price: -

Why Choose Us

Top quality papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

We have hired a team of professional writers experienced in academic and business writing. Most of them are native speakers and PhD holders able to take care of any assignment you need help with.

Free revisions

If you feel that we missed something, send the order for a free revision. You will have 10 days to send the order for revision after you receive the final paper. You can either do it on your own after signing in to your personal account or by contacting our support.

On-time delivery

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & confidential

We use several checkers to make sure that all papers you receive are plagiarism-free. Our editors carefully go through all in-text citations. We also promise full confidentiality in all our services.

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

## Calculate the price of your order

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

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.