The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters and a

Question:

The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters and a standard deviation of 6.9 centimeters. If 200 random samples of size 25 are drawn from this population and the means recorded to the nearest tenth of a centimeter, determine
(a) The mean and standard deviation of the sampling of X;
(b) The number of sample means that fall between 172.5 and 175.8 centimeters inclusive;
(c) The number of sample means falling below 172.0 centimeters.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...