According to a study, the mean sleeping time of working adults is 6.8 hours a day with a standard deviation of 1.2 hours. Given that the distribution is normal, what is the probability that a randomly selected working adult sleeps more than 8 hours a day? Notes: 1. Write your answer with four decimal places (i.e 0.2621). 2. Do not express your answer in percentage.
According to a study, the mean sleeping time of working adults is 6.8 hours a day with a standard deviation of 1.2 hours. Given that the distribution is normal, what is the probability that a randomly selected working adult sleeps more than 8 hours a day? Notes: 1. Write your answer with four decimal places (i.e 0.2621). 2. Do not express your answer in percentage.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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