SOLUTION: If n=370 and ˆ p(p-hat) =0.33, find the margin of error at a 90% confidence level
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Question 1158157
:
If n=370 and
ˆ
p(p-hat) =0.33, find the margin of error at a 90% confidence level
Answer by
Boreal(15235)
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error = sqrt(0.33*0.67/370)*1.645
=0.0402
sqrt(p*(1-p)/n)* appropriate z value