The file name sheet part two is kept blank, use part 2 sheet to answer this question. Put a box around your answers. Round your answer to 4 decimal places.
Information from the American institute of insurance indicates the mean amount of life insurance per household in the unites states is $110,00 with a standard deviation of $40,000. Assume the population distribution is normal. A random sample of 100 households is taken.
A. what is the probability that sample mean will be more than $120,000?
B. what is the probability that sample mean will be between $100,00 and $120,000?
Solved by C. F. in 29 mins