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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
10 Nov 2021

Given information

From the previous task, it is known that the 92% interval for the population proportion for a sample size of n=80 is (0.721, 0.879).

Step-by-step explanation

Step 1.

The formula for the margin of error is:

 

It is seen from the above equation that the margin of error is inversely proportional to the square root of the sample size, all other things remaining constant.

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