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.)

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)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

(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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