An Auditor for a government agency is assigned the task ofevaluating reimbursement for office visits to...

An Auditor for a government agency is assigned the task ofevaluating reimbursement for office visits to physicians paid byMedicare. The audit is conducted on a sample of 75 of thereimbursements with the follwing results: In 12 of the office visits, an incorrect amount ofreimbursement was provided. The Amount of reimbursement was mean = $93.70 andS=$34.55 a) At the 0.05 level of significance, is there evidence thatthe mean reimbursement is less than $100? b)At the 0.05 level of significance, is there evidence thatthe proportion of incorrect reimbursements in the population isgreater than 0.10? c) Discuss the underlying assumptions of the test used in(a) d) What is yur answer to (a) if the sample mean equals$90? e) What is your answer to (b) if 15 office visits hadincorrect reimbursements?

Expert Solution

Dear student, we can provide you with solution of 4 sub question at a time .

b)

c) We have assumed that the data came from a population that is approximately normally distributed

The second assumption made is that of a simple random sample, that the data is collected from a representative, randomly selected portion of the total population.

d)

milcah answered 3 months ago

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An Auditor for a government agency is assigned the task ofevaluating reimbursement for office visits to...

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