Please help me! problem is attached! thank you! Select one:
A. 24≤x≤38
B. 64≤x≤82
C. 12≤x≤18
D. 32≤x≤48

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?

Is this a polynomial function? i need to know asap

Twelve less than a number is at most 20