Mathematics, 09.07.2020 05:01, tlemaylund000
A researcher wishes to estimate with 95% confidence, the proportion of the people who own a home computer. A previous study shows that 40% of the interviewed had a computer at home. The researcher wishes to be accurate within 2% of the true proportion. Find the minimum sample size necessary?
Answers: 2
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a pvalue of 
, so 
. 
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A researcher wishes to estimate with 95% confidence, the proportion of the people who own a home com...
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