Question

In an all boys school, the heights of the student body are normally distributed with a mean of 71 inches and a standard deviation of 4.5 inches. Out of the 993 boys who go to that school, how many would be expected to be between 63 and 72 inches tall, to the nearest whole number?

Answer 1

In an all boys school with a mean height of 71 inches and a standard deviation of 4.5 inches, we can use the normal distribution to estimate the number of boys between 63 and 72 inches tall. To the nearest whole number, approximately 661 boys would be expected to fall within this height range.