Business Statistic Population
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A simple random sample is to be drawn from a population of 1200. In order to have 90% confidence that the sampling error in estimating rr is no more than 0.03, what sample size will be necessary?
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Hello!
I assume that the "rr" you mention in your question is some proportion you want to estimate from the sample.
The formula for the minimum sample size in these cases is:
N = p*(1-p)* ...
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