Television viewing reached a new high when the Nielsen Company reported a mean daily viewing time of

Question:

Television viewing reached a new high when the Nielsen Company reported a mean daily viewing time of 8.35 hours per household (USA today, November 11, 2009). Use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household.

a. What is the probability that a household views television between 5 and 10 hours a day?

b. How many hours of television viewing must a household have in order to be in the top 3% of all television viewing households?

c. What is the probability that a household views television more than 3 hours a day?

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...