a sample from a population with =40 and =10 has a mean of m=44. if the sample mean corresponds to a z=2.00, then how many scores are in the sample? Posted on July 5, 2021 | by wp a sample from a population with μ=40 and =σ10 has a mean of m=44. if the sample mean corresponds to a z=2.00, then how many scores are in the sample?