I don’t get it :/ but may you please help me please if so thank you so much

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Asphere has a diameter of 10 in. what is the volume of the sphere?

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.