1 A large number of simple random samples of n 85 were obta

1. A large number of simple random samples of n = 85 were obtained from a large population of weights of boxes shipped by my local store having a mean of 3420g and a standard deviation of 495g. The sample was calculated for each sample.

A. What is the approximate shape of the distribution of the sample means?

B. What is the expected mean of the sample means?