Task of evaluating reimbursement for office

Reference no: EM13154769

An auditor for a government agency is assigned to the task of evaluating reimbursement for office visits to doctors paid by Medicare. The audit is to be conducted for all Medicare payments in a particular area during a certain month. An audit is conducted on a sample of 75 of the reimbursements with the following results.

Average amount of reimbursement $93.70

Standard deviation of reimbursement $34.55

Number of reimbursements where an

incorrect amount was provided 12

a. At the 0.05 level of significance, is there evidence that the proportion of incorrect reimbursements in the population is greater than 10%? What is the p-value of the test?

b. What is the smallest sample size needed to estimate the mean amount reimbursed to within 50 cents with 90% confidence, if a preliminary study indicates that the sample standard deviation of all amounts reimbursed is $3.00

Reference no: EM13154769

Questions Cloud

Is there difference in interest rates paid by two states : A bond analyst is analyzing the interest rates for equivalent municipal bonds issued by two different states. At= .05, is there a difference in the interest rates paid by the two states?

Calculate the ph of a solution : A typical aspirin tablet contains 325 mg of acetylsalicylic acid ( HC9H7O4). Calculate the pH of a solution that is prepared by dissolving five aspirin tablet(s) in one cup (237 mL) of solution. Assume the aspirin tablets are pure acetylsalicylic ..

Compute the basic eps and diluted eps for ramon inc. for 2 : Ramon Inc. reported net income of $300,000 for the year ended December 31, 2006. Ramon Inc. had 50,000 shares of common stock outstanding throughout 2006. On January 1, 2006, Ramon Inc. issued 500, five-year, $1,000 face value bonds at par.

Describe the demand and marginal revenue curves faced : Describe the demand and marginal revenue curves faced by a firm in a purely competitive market. Are they different from those faced by a firm in oligopolistic competition?

Task of evaluating reimbursement for office : An auditor for a government agency is assigned to the task of evaluating reimbursement for office visits to doctors paid by Medicare. The audit is to be conducted for all Medicare payments in a particular area during a certain month.

Laboratory experiment : In a laboratory experiment, data were gathered on the life span (Y in months) of 33 rats, units of daily protein intake (X1), and whether or not agent X2 (a proposed life extending agent) was added to the rats diet (X2 = 0 if agent X2 was not added, ..

Process-costing report : Production personnel estimate that the 75,000 units still in process on June 30 are 100% complete with respect to materials and 40% complete with respect to conversion costs.

What must the minimum temperature of its energy source : What must the minimum temperature of its energy source be if it is to produce work with an efficiency of 0.75?

State the rule for optimum input allocation to produce : State the rule for optimum input allocation to produce a given level of output at the lowest possible cost -when two inputs are variable and the prices of the inputs are given- and explain why it makes sense.

User Account

All Pages