A recent report indicates that 2-year-old children from well-educated suburban families watched an average of m 5

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A recent report indicates that 2-year-old children from well-educated suburban families watched an average of m 5 60 minutes of television each day. Assuming that the distribution of television-watching times is normal with a standard deviation of s 5 25 minutes, find each of the following proportions.

a. What proportion of 2-year-old children watch more than 2 hours of television each day?

b. What proportion of 2-year-old children watch less than 30 minutes a day?

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781337098120

9th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano

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