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I only need the second question, the one about if the same components were connected in parallel

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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Question

I only need the second question, the one about if the same components were connected in parallel

Expert Solution

Step 1

Consider the parallel system of a circuit ,

Given : P (A works) =0.9

P (B works) = 0.8

Here, we have to calculate the probability that the system works. Where , A and B are independent.

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