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What is the probability that he will be selected in one of the firms?

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

An engineering graduate applies for a job in two firms $X$ and Y$ The probability that he is selected in the firm X is 0.7 and being rejected at Y is 0.4. The probability of at least
one of his applications being rejected is 0.4. What is the probability that he will be selected in one of the
firms?

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