Determine amount of reimbursement

Assignment Help Basic Statistics

Reference no: EM13139469

An auditor for a computer software company is assigned the task of evaluating reimbursement for office visits to physicians paid by Medicare. The audit was conducted on a sample of 60 of the reimbursements, with the following results:

In 10 of the office visits, an incorrect amount of reimbursement was provided.
The amount of reimbursement was S = $26.45.

a. At the 0.05 level of significance, is there evidence that the population mean reimbursement was less than $100?
b. At the 0.05 level of significance, is there evidence that the proportion of incorrect reimbursements in the population was 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 13 office visits had incorrect reimbursements?

Reference no: EM13139469

Questions Cloud

Determining monotheistic religions : I'm writing a paper about the contemporary issues facing the Western religious traditions of Christianity, Judaism & Islam. I need help with the historical connections and theological similarities of all three with each other and the contemporary ..

What is the mass (in kg) of that piece of galena : A piece of galena has a volume of 5.4 cm3. If the density of galena is 7.5 g/cm3, what is the mass (in kg) of that piece of galena?

Bloom''s taxonomy and critical thinking : How would you compare the ideas of Bloom's Taxonomy and Critical Thinking? How does curiosity fit in with Critical Thinking?

What is maximum net yield of atp from anaerobic respiration : A 67-year-old patient with severe sepsis undergoes a full infectious work-up upon admittance to the intensive care unit. Cultures of urine, blood, sputum, and cerebral spinal fluid are obtained.

Determine amount of reimbursement : At the 0.05 level of significance, is there evidence that the population mean reimbursement was less than $100? Discuss the underlying assumptions of the test used in (a).

Identify advantages of this market structre : In both Japan and United States, a small number of accounting firms audit a great mjority of large public companies. identify advantages of this " market structre" for indendent auditors services.

How male and female stereotypes : Write an essay about how male and female stereotypes are handled in movie "when harry met sally". Are the stereotypes accurate? Do you agree with the stereotypes presented about men and women in the film?then discuss your thoughts on men and women be..

Analysis of jesus birth : Provide an overview of Jesus' birth and childhood, comparing and contrasting the accounts of Matthew and Luke. Which account describes visions of angels as the way God warns Joseph and Mary

Find the percent composition of gold and silver : a piece of gold jewelry that weighs 9.35 g and has a volume of 0.654 cm3. The density of pure gold is 19.3 g/cm3 and the density of pure silver is 10.5 g/cm3.

User Account

All Pages