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You may need to use the appropriate appendix table to answer this question. Suppose that the...

You may need to use the appropriate appendix table to answer this question.

Suppose that the mean daily viewing time of television is 8.35 hours. 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 12 hours a day? (Round your answer to four decimal places.)

(b)

How many hours of television viewing must a household have in order to be in the top 4% of all television viewing households? (Round your answer to two decimal places.)

(c)

What is the probability that a household views television more than 3 hours a day? (Round your answer to four decimal places.)

Math   Statistics-And-Probability   
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