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Time Between Failures of a Critical Machine Follow Normal Distribution

Question 5

Multiple Choice

Time between failures of a critical machine follow normal distribution, with a mean of 30 hours and standard deviation of 5 hours. If the random normal deviate chosen from a table of normally distributed random numbers is 2.5 , the number of simulated hours before the next failure will be:


A) 17.5
B) 32.5
C) 27.5
D) 42.5

Correct Answer:

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