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 3 and 10 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 3% of all television viewing households? (Round your answer to two decimal places.) hrs (c) What is the probability that a household views television more than 5 hours a day? (Round your answer to four decimal places.)

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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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 3 and 10 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 3% of all television viewing households? (Round your answer to two decimal places.)
hrs
(c)
What is the probability that a household views television more than 5 hours a day? (Round your answer to four decimal places.) 
 
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