The heights of a group of boys are normally distributed with a mean of 54 inches and a standard deviation of 2.5 inchesIf all possible samples of size 25 are drawn from the population, what percentage...

The heights of a group of boys are normally distributed with a mean of 54 inches and a standard deviation of 2.5 inchesIf all possible samples of size 25 are drawn from the population, what percentage of the population would have mean heights between 53 inches and 56 inches?