Mathematics, 30.07.2020 02:01 sumayyahjj
We want to estimate the population mean within 5, with a 99% level of confidence. The population standard deviation is estimated to be 15. How large a sample is required? (Round up your answer to the next whole number.)
Answers: 3
= population standard deviation, E Margin of error , z* = critical value for the confidence interval.
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We want to estimate the population mean within 5, with a 99% level of confidence. The population sta...
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