As the word suggests, a quarter-sphere is a quarter of a sphere, and thus the volume of a quarter-sphere is a quarter of the volume of the sphere.
The volume of a sphere is computed as

So, the volume of a quarter-sphere is

The median is 0 I think and I'm sorry I don't know about the skew of the distribution
3/4=9/12
So the total walked is 9/12+7/12=16/12=1 1/3 mi which is C
Answer:
Step-by-step explanation:
Muy difícil pa