For a certain battery company, the life span of the batteries follows a normal distribution. What proportion of the batteries will last longer than 37 hours if the mean life is 35.4 hours with a standard deviation of 90 minutes? A) 1.07 (B) 14.23% C) 85.77% (D) 37.77%

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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For a certain battery company, the life span of the batteries follows a normal distribution. What proportion of the batteries will last
longer than 37 hours if the mean life is 35.4 hours with a standard deviation of 90 minutes?
(A) 1.07
B) 14.23%
C) 85.77%
D) 37.77%
Transcribed Image Text:For a certain battery company, the life span of the batteries follows a normal distribution. What proportion of the batteries will last longer than 37 hours if the mean life is 35.4 hours with a standard deviation of 90 minutes? (A) 1.07 B) 14.23% C) 85.77% D) 37.77%
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