(Answered) An auditor for a government agency is assigned the task of

Economics

An auditor for a government agency is assigned the task of evaluating reimbursement for consultations with specialists paid by Medicare. The audit is conducted on a sample of 75 of the reimbursements with the following results:

In 12 of the consultations, an incorrect amount ofreimbursement was provided.
The amount of reimbursement was: X = $93.70, S = $34.55.

a. At the 0.05 level of significance, is there evidence that the mean reimbursement is less than $100?

b. At the 0.05 level of significance, is there evidence that the proportion of incorrect reimbursements in the population is greater than 0.10?

c. Discuss the underlying assumptions of the test used in (a).

d. What is your answer to (a) if the sample mean equals $90?

e. What is your answer to (b) if 15 consultations had incorrect reimbursements?

View complete question

Business Economics, Economics

Category:- Business Economics
Reference No.:- M92842482
Price:- $25

Verified Expert

Priced at $50 Now at $25, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Business Economics

You have an opportunity to buy a bond with a face value of

You have an opportunity to buy a bond with a face value of $10,000 and coupon rate of 14%, payable semi-annually. NOTE: Interest per 6-month period is 7% of Face Value (i.e. $10,000x0.07 = $700 per 6-month period). (i) I ...

Why hasnt health care in australia been entirely privatised

Why hasn't health care in Australia been entirely privatised, according to Boxall and Gillespie? Should health care (in Australia) be wholly privatised? Do you think it will be in the future?

If the marginal propensity to consume is equal to 030 what

If the marginal propensity to consume is equal to 0.30, what will be to total change in output (or income) that will result from an increase in government expenditure of 127.4?

Forty-nine percent of us teens have heard of a fax machine

Forty-nine percent of US teens have heard of a fax machine. You randomly select 12 US teens. Find the probability that the number of these selected teens that have heard of a fax machine is exactly six (first answer list ...

If there is an increase in demand for a service and a

If there is an increase in demand for a service, and a decrease in supply of the service, what impact will that have on the equilibrium price and quantity for the service?

The risk-free rate is 6 and the expected rate of return on

The risk-free rate is 6% and the expected rate of return on the market portfolio is 13% a. Calculate the required rate of return on a security with a beta of 1.15. (Do not round intermediate calculations. Enter your an ...

In australia the overall five-year survival rate for breast

In Australia, the overall five-year survival rate for breast cancer in females is 90%. A random sample of 420 breast cancer patients in a rural region was randomly selected and followed up after 5 years. The results show ...

A study of cancer was conducted among 10000 men in the

A study of cancer was conducted among 10,000 men in the United States who were 40-75 years of age. Every two years questionnaires are sent to these individuals, and newly diagnosed cases of various cancers were reported. ...

1 a consumer has 300 to spend on goods x and y the market

1. A consumer has $300 to spend on goods X and Y. The market prices of these two goods are Px $15 and Py $5. a. What is the market rate of substitution between goods X and Y? b. Show how the consumer's opportunity set ch ...

Understanding the importance of international trade in

Understanding the Importance of International Trade in Various Countries Whereas imports and exports in the United States each account for about one-eighth of total annual national income, in some countries the figure is ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Business Economics Expert