MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

The downtime per day for a certain computing facility averages 4.0 hours, with a standard deviation of 0.8 hours.

a. Find the probability that the average daily downtime for a period of 30 days is between 1 and 5 hours.

b. Find the probability that the total downtime for the 30 days is less than 115 hours.

c. What assumptions are necessary for the answers in parts (a) and (b) to be valid approximations?

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