Question

In a study of the accuracy of fast food​ drive-through orders, Restaurant A had

267

accurate orders and

72

that were not accurate.

a. Construct a

90​%

confidence interval estimate of the percentage of orders that are not accurate.

b. Compare the results from part​ (a) to this

90​%

confidence interval for the percentage of orders that are not accurate at Restaurant​ B:

0.1950 <0.262

What do you​ conclude?

Answer 1