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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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LRotundo LRotundo
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6 years ago
A researcher is interested in determining the average number of years of employee retention in a company. If past information shows a population standard deviation of 7 months, what sample size should be taken so that, at 95 confidence, the margin of error will be 2 months or less?
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ccoppccopp
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LRotundo Author
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6 years ago
Smart ... Thanks!
derya1234
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Yesterday
Thank you, thank you, thank you!
Shuqin
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2 hours ago
this is exactly what I needed
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