In: Statistics and Probability
In a study of the accuracy of fast food drive-through orders, Restaurant A had
335 accurate orders and 53 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: 0.123<p<0.186. What do you conclude?
a. Construct a 95% confidence interval. Express the percentages in decimal form.
<p<
(Round to three decimal places as needed.)