[10pts] make u the brainliest if u want (BUT only for correct answers

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

The radius of a sphere is 3 inches. which represents the volume of the sphere?

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices