Glass Garbage Generation Asurvey found that the American family generates an average of 17.2 pounds of glass

Question:

Glass Garbage Generation Asurvey found that the American family generates an average of 17.2 pounds of glass garbage each year. Assume the standard deviation of the is 2.5 pounds. Find the probability that the mean of a sample of 55 families will be between 17 and 18 pounds.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...