n a study of the accuracy of fast food​ drive-through orders, Restaurant A had   290 accurate orders and   56 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:   0.146

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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In a study of the accuracy of fast food​ drive-through orders, Restaurant A had

 

290 accurate orders and

 

56 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:

 

0.146

 

<p

 

<

 

0.212. What do you​ conclude?

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