A trading company has eight computers that it uses to trade on the New York Stock Exchange (NYSE). The probability of a computer failing in a day is 0.005, and the computers fail independently. Computers are repaired in the evening and each day is an independent trial. a. What is the probability that all eight computers fail in a day? b. What is the mean number of days until a specific computer fails? c. What is the mean number of days until all eight computers fail in the same day

A trading company has eight computers that it uses to trade on the New York Stock Exchange (NYSE). The probability of a computer failing in a day is 0.005, and the computers fail independently. Computers are repaired in the evening and each day is an independent trial. a. What is the probability that all eight computers fail in a day? b. What is the mean number of days until a specific computer fails? c. What is the mean number of days until all eight computers fail in the same day

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 trading company has eight computers that it uses to trade on the New
York Stock Exchange (NYSE). The probability of a computer failing in a
day is 0.005, and the computers fail independently. Computers are
repaired in the evening and each day is an independent trial.
a. What is the probability that all eight computers fail in a day?
b. What is the mean number of days until a specific computer fails?
c. What is the mean number of days until all eight computers fail in
the same day?

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