Weights of women in one age group are normally distributed with a standard deviation σ of 18 lb. A researcher wishes to estimate

Question

2 years ago

5

Weights of women in one age group are normally distributed with a standard deviation σ of 18 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 2.0 lb.

Mathematics

1 answer:

sergeinik [125] · Answer 1 · 2022-07-07T08:10:01+03:00

sergeinik [125]2 years ago

6 0

Could you be clearer