Deborah wants to estimate the percentage of people who eat fast food at least once per week. She wants to create a 90%confidence interval which has a margin of error (or ME) of at most 3%. How many people should be polled to create the confidence interval? z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576 Use the table of values above. Select the correct answer below:   165   188   271   457   752

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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Deborah wants to estimate the percentage of people who eat fast food at least once per week. She wants to create a 90%confidence interval which has a margin of error (or ME) of at most 3%. How many people should be polled to create the confidence interval?

z0.10 z0.05 z0.025 z0.01 z0.005
1.282 1.645 1.960 2.326 2.576

Use the table of values above.

Select the correct answer below:

 
165
 
188
 
271
 
457
 
752
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