In a study of the accuracy of fast food drive-through orders, Restaurant A had 210 accurate orders and 67 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: 0.222 <p< 0.307. What do you conclude?
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