In a study of the accuracy of fast food drive-through orders, Restaurant A had 274 accurate orders and 65 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: 0.171< p<0.239. What do you conclude? a. Construct a 90% confidence interval. Express the percentages in decimal form. |

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In a study of the accuracy of fast food drive-through orders, Restaurant A had 274 accurate orders and 65 that were not accurate.
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: 0.171 <p <0.239. What do you conclude?
a. Construct a 90% 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 274 accurate orders and 65 that were not accurate. 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: 0.171 <p <0.239. What do you conclude? a. Construct a 90% confidence interval. Express the percentages in decimal form. <p< (Round to three decimal places as needed.)
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