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In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 315 accurate...

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Statistics

In a study of the accuracy of fast food​ drive-through orders,Restaurant A had 315 accurate orders and 63 that were not accurate.a.) Construct a 95​% confidence interval estimate of the percentageof orders that are not accurate. b.) Compare the results frompart​(a) to this 90​% confidence interval for the percentage oforders that are not accurate at Restaurant​ B: 0.144< p <0.226. What do you​ conclude?

a) Construct a 90% confidence interval. Express the percentagesin decimal form.

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