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s 6 hours a day. If college students were randomly selected, find the probability that the mean number of hours they sleep during regular school days is longer than 7 hours. Assume that the variable is normally distributed with a standard deviation of 1.3 hours.

s 6 hours a day. If college students were randomly selected, find the probability that the mean number of hours they sleep during regular school days is longer than 7 hours. Assume that the variable is normally distributed with a standard deviation of 1.3 hours.

A First Course in Probability (10th Edition)
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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3. It is reported that the average number of sleep of college students during regular school day is 6 hours a day. If college students were randomly selected, find the probability that the mean number of hours they sleep during regular school days is longer than 7 hours. Assume that the variable is normally distributed with a standard deviation of 1.3 hours.
Transcribed Image Text:3. It is reported that the average number of sleep of college students during regular school day is 6 hours a day. If college students were randomly selected, find the probability that the mean number of hours they sleep during regular school days is longer than 7 hours. Assume that the variable is normally distributed with a standard deviation of 1.3 hours.
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