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The height of women in their twenties is normally distributed with a mean 162 cm and a standard deviation of 9 cm. The h
Posted: Sun Sep 05, 2021 5:05 pm
by answerhappygod
- The Height Of Women In Their Twenties Is Normally Distributed With A Mean 162 Cm And A Standard Deviation Of 9 Cm The H 1 (37.07 KiB) Viewed 139 times
The height of women in their twenties is normally distributed with a mean 162 cm and a standard deviation of 9 cm. The height of men of the same age is normally distributed with a mean of 176 cm and a standard deviation of 10 cm. A simple random sample of the population of women was taken with a sample size of 36. a) What are the mean and standard deviation of the sampling distribution of sample mean height? b) What is the approximate probability that the sample mean height is taller than 174cm? c) Find the third quartile of the sampling distribution of sample mean.