Question 1105710
 how many young adults should be interviewed to estimate the proportion of the young adult population who earn less than $15000 to within .03 with 90 percent confindence? 
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n = [z*s/E]^2
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n = [1.645*s/0.03]^2
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Note:: You need the standard deviation to determine "n".
Note:: n must be rounded up to the next whole number
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Cheers,
Stan H.
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