Answered: What is the probability that a randomly…

What is the probability that a randomly selected person sleeps more than 8 hours? (b) What is the probability that a randomly selected person sleeps 6 hours or less?

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

According to sleep foundation, the average’s night sleep is 6.8 hours. Assume the standard deviation is 0.6 hours and the probability distribution is normal.

(a) What is the probability that a randomly selected person sleeps more than 8 hours?

(b) What is the probability that a randomly selected person sleeps 6 hours or less?

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