In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 266 accurate orders and 54 that were not accurate. Construct a 90​% confidence interval estimate of the percentage of...

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

266 accurate orders and

54 that were not accurate.

1. Construct a

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

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

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

0.148

0.218. What do you​ conclude?

1. Construct a

90​% confidence interval. Express the percentages in decimal form