SOLUTION: Assume you want to estimate with the proportion of students who commute less than 5 miles to work within 2%, what sample size would you use? This is from MM207..

Question 554995: Assume you want to estimate with the proportion of students who commute less than 5 miles to work within 2%, what sample size would you use? This is from MM207..
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Assume you want to estimate with the proportion of students who commute less than 5 miles to work within 2%, what sample size would you use? This is from MM207..
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n = [z/E]^2*pq
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The best unbiased estimate for p is 1/2
So you use p = 1/2.
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n = [z/0.02]^2*(1/2)^2
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You need more info to know what the z-value should be
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Cheers,
Stan H.

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