Assume all variables are binomial. An elevator has five fail-safe components. The probability of each failing is 0.05. Find these probabilities: a) Exactly 2 will fail. b) More than 2 will fail. c) All will fail. d) Compare the answers for a, b, and c, and explain why these results are reasonable.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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Problem 3
Assume all variables are binomial. An elevator has five fail-safe components. The
probability of each failing is 0.05. Find these probabilities:
a) Exactly 2 will fail.
b) More than 2 will fail.
c) All will fail.
d) Compare the answers for a, b, and c, and explain why these results are
reasonable.
Transcribed Image Text:Problem 3 Assume all variables are binomial. An elevator has five fail-safe components. The probability of each failing is 0.05. Find these probabilities: a) Exactly 2 will fail. b) More than 2 will fail. c) All will fail. d) Compare the answers for a, b, and c, and explain why these results are reasonable.
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