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Author Question: Find the necessary sample size.Weights of women in one age group are normally distributed with a ... (Read 31 times)

vicotolentino

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Find the necessary sample size.

Weights of women in one age group are normally distributed with a standard deviation σ of 10 lb. A researcher wishes to estimate the mean weight of all women in this age group. Find how large a sample must be drawn in order to be 90 percent confident that the sample mean will not differ from the population mean by more than 3.4 lb.
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Marked as best answer by vicotolentino on Apr 7, 2020

Gabe

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vicotolentino

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Reply 2 on: Apr 7, 2020
Excellent


bulacsom

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Reply 3 on: Yesterday
Wow, this really help

 

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