Answered: Let x be the number of teachers among 3…

Let x be the number of teachers among 3 people selected randomly from a group consisting of 3 students, 7 teachers and 1 custodian. (a) 1. Find P(x=1). Find P(x=2). (b)

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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I just need help solving both parts step by step and finding the answer.

Let x be the number of teachers among 3 people selected randomly from a group
consisting of 3 students, 7 teachers and 1 custodian.
(a)
1.
Find P(x =1).
(b)
Find P(x=2).

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