In a study of the accuracy of fast food drive-through orders, Restaurant A had 283 accurate orders and 63 that were not accurate. a. Construct a 90% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.163
In a study of the accuracy of fast food drive-through orders, Restaurant A had 283 accurate orders and 63 that were not accurate. a. Construct a 90% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.163
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:In a study of the accuracy of fast food drive-through orders, Restaurant A had 283 accurate orders and 63 that were not accurate.
a. Construct a 90% confidence interval estimate of the percentage of orders that are not accurate.
b. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.163<p<0.238. What do you
conclude?
RECED
a. Construct a 90% confidence interval. Express the percentages in decimal form.
<p< (Round to three decimal places as needed.)
rect:
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