In a study of the accuracy of fast food drive-through orders, Restaurant A had
accurate orders and
that were not accurate.
a. Construct a
confidence interval estimate of the percentage of orders that are not accurate.
b. Compare the results from part (a) to this
confidence interval for the percentage of orders that are not accurate at Restaurant B:
0.1630.163less than<pless than<0.2190.219.
What do you conclude?
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