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# A boiler has five identical relief valves. The probability ISBN: 9780321629111 32

## Solution for problem 78E Chapter 2

Probability and Statistics for Engineers and the Scientists | 9th Edition

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Problem 78E

A boiler has five identical relief valves. The probability that any particular valve will open on demand is .95. Assuming independent operation of the valves, calculate ?P?(at least one valve opens) and ?P?(at least one valve fails to open).

Step-by-Step Solution:

Answer: Step 1: Given, a boiler has 5 identical relief valves. The probability that any particular valve will open on demand is 0.95. Assuming independent operation of the valves. Step 2: Here we need to calculate, i)P at least one valve opens) and ii) P(at least one valve fails to open).

Step 3 of 4

Step 4 of 4

##### ISBN: 9780321629111

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