The Labor Bureau wants to estimate, at a 90% confidence level, the proportion of all households...

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The Labor Bureau wants to estimate, at a 90% confidence level, the proportion of all households that receive welfare. The mos

math Statistics-And-Probability

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Answer 1

Answer #1

Preliminary estimate for proportion (Not Known) = 0.5
Margin of error =E=0.034
Level of significance =   1-0.90=0.1
Z critical value is (by using Z table) =1.645
Sample size formula is
n = [p(1 – P)]
= p(1-
=585.21

586

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Answer 2

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The Labor Bureau wants to estimate, at a 90% confidence level, the proportion of all households...

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