In a study of the accuracy of fast food drive-through orders, Restaurant A had 266 accurate orders and 54 that were not accurate. Construct a 90% confidence interval estimate of the percentage of orders that are not accurate. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.148
In a study of the accuracy of fast food drive-through orders, Restaurant A had 266 accurate orders and 54 that were not accurate. Construct a 90% confidence interval estimate of the percentage of orders that are not accurate. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.148
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Question
In a study of the accuracy of fast food drive-through orders, Restaurant A had
266 accurate orders and
54 that were not accurate.
- Construct a
90% confidence
- Compare the results from part (a) to this
90% confidence interval for the percentage of orders that are not accurate at Restaurant B:
0.148
<p
<
0.218. What do you conclude?
- Construct a
90% confidence interval. Express the percentages in decimal form
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