Procter Gamble reported that an American family of four washes an average of 1 ton (2000 pounds) of clothes each year If the standard deviation of the distribution is 187 5 pounds, find the probability that the mean of a randomly selected sample of 50 families of four will be between 1980 and 1990 ...

Procter & Gamble reported that an American family of four washes an average of 1 ton (2000

Question:

Procter & Gamble reported that an American family of four washes an average of 1 ton (2000 pounds) of clothes each year. If the standard deviation of the is 187.5 pounds, find the probability that the mean of a randomly selected sample of 50 families of four will be between 1980 and 1990 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...