A mainframe computer in a university crashes on the average 0.71 time in a semester. What is the probability that it will crash at least two times in a given semester? What is the probability that it will not crash at all in a given semester? The MIS administrator wants to increase the probability of no crash at all in a semester to at least 90%. What is the largest ? that will achieve this goal?

A mainframe computer in a university crashes on the average 0.71 time in a semester. What is the probability that it will crash at least two times in a given semester? What is the probability that it will not crash at all in a given semester? The MIS administrator wants to increase the probability of no crash at all in a semester to at least 90%. What is the largest ? that will achieve this goal?

A First Course in Probability (10th Edition)

10th Edition

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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A mainframe computer in a university crashes on the average 0.71 time in a semester.

What is the probability that it will crash at least two times in a given semester?
What is the probability that it will not crash at all in a given semester?
The MIS administrator wants to increase the probability of no crash at all in a semester to at least 90%. What is the largest ? that will achieve this goal?

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