carisabernard100 carisabernard100

20-10-2022
Mathematics

Answered

You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately
σ
=
33.8
. You would like to be 98% confident that your estimate is within 10 of the true population mean. How large of a sample size is required?

Answer :

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