In a study of the accuracy of fast food drive-through orders, Restaurant Ahad 287 accurate orders and 56 that were not accurate a. Construct a 95% confidence interval estimate of the percentage of orders that are not accurate,
b. Compare the results from part (a) to this 95% confidence interval for the percentage of orders that are not accurate at Restaurant B 0.143 conclude?
a. Construct a 95% confidence interval. Express the percentages in decimal form
b. Choose the correct answer below.
O A. Since the two confidence intervals (serlap, neither restaurant appears to have a significantly different percentage of orders that are not accurate
OB. The lower confidence limit of the inter Question Viewer B is higher than the lower confidence limit of the interval for Restaurant A and the upper confidence
limit of the interval for Restaurant B is also higher than the upper confidence limit of the interval for Restaurant A. Therefore, Restaurant B has a significantly
higher percentage of orders that are not accurate
OC No conclusion can be made because not enough information is given about the confidence interval for Restaurant B
OD. Since the upper confidence limit of the interval for Restaurant B is higher than both the lower and upper confidence limits of the interval for Restaurant A. this
indicates that Restaurant B has a significantly higher percentage of orders that are not accurate
Click to select your answer(s)
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