a study of the accuracy of fast food​ drive-through orders, Restaurant A had 232 accurate orders and 69 that were not accurate. Construct a 95​% confidence interval estimate of the percentage of orders that are not accurate. Compare the results from part​ (a) to this 95​% confidence interval for the percentage of orders that are not accurate at Restaurant​ B: 0.212

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.