Select all of the following true statements if R = real numbers, Q = rational numbers, and N = {0, 1, 2, ...).

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?

I’m stuck on this equation, anyone got the answer?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?