he life span of a machine in a factory is normally distributed with a mean of 10.2 years and a standard deviation of 1.7 years. What is the probability that a randomly selected machine will last between 11 and 13 years

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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The life span of a machine in a factory is normally distributed with a mean of 10.2 years and a standard deviation of 1.7 years. What is the probability that a randomly selected machine will last between 11 and 13 years.
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