In a study of the accuracy of fast food drive-through orders, Restaurant A had 205 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: 0.183

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter4: Equations Of Linear Functions
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In a study of the accuracy of fast food drive-through orders, Restaurant A had 205 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: 0.183 <p<0.287. What do you conclude?
a. Construct a 95% confidence interval. Express the percentages in decimal form.
<p<
(Round to three decimal places as needed.)
Transcribed Image Text:In a study of the accuracy of fast food drive-through orders, Restaurant A had 205 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: 0.183 <p<0.287. What do you conclude? a. Construct a 95% confidence interval. Express the percentages in decimal form. <p< (Round to three decimal places as needed.)
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