The number of miles on a car when a certain part fails is normally distributed, with a mean of 60,000 and a standard deviation of 5,000.  What is the probability that a part will fail between 55,000 and 65,000 miles?      13.5% 13.5% 68% 68% 81.5% 81.5% 95%

A First Course in Probability (10th Edition)
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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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The number of miles on a car when a certain part fails is normally distributed, with a mean of 60,000 and a standard deviation of 5,000.  What is the probability that a part will fail between 55,000 and 65,000 miles? 
 
 
  • 13.5%
    13.5%
  • 68%
    68%
  • 81.5%
    81.5%
  • 95%
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