use the excel sheet name part 2 to answer the question and round the answer to 4 decimal places . Information from the American institute of insurance indicates that mean amount of life insurance per household in the united states is $100,000 with a standard deviation of $40,000 assume the population distribution is normal. A random sample of 100 household is taken What is the probability that sample mean will be more than $120,000? What is the probability that sample mean will be between $100,000 and $120,000?
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