The weighted-average method is best used for A. heterogeneous
B. fuels only
C. grains only
D. homogeneous products

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?

Why do interests rates on loans to be lower in a weak economy than in a strong one

How do i do this? i don’t understand