A computer laboratory in a school has 33 computers. Each of the 33 computers has 90% reliability.
Question:
a. What is the probability that each of the 30 students will get a computer in working condition?
b. The instructor is surprised to see the low value of the answer to (a) and decides to improve it to at least 95% by doing one of the following:
i. Decreasing the enrollment ceiling.
ii. Increasing the number of computers in the lab.
iii. Increasing the reliability of all the computers.
To help the instructor, find out what the increase or decrease should be for each of the three alternatives.
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Related Book For
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian
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