BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

Solutions

Chapter 8, Problem 48SE

a.

To determine

Find the 90% confidence interval for the annual cost of prescription drugs.

b.

To determine

Find the 90% confidence interval for the amount of out-of-pocket expense per employee.

c.

To determine

Find the point estimate of the proportion of the employees with incurred no prescription drug costs.

b.

To determine

Explain the reason for larger margin of error in either part (a) and (b).

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