3% of the workers in a factory are union members. A random sample of 5 workers is taken from these workers. a) Find the probability that the sample consists exactly 4 union members. b) Find the probability that the sample consists of at most 2 union members.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
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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3% of the workers in a factory are union members. A random sample of 5 workers is taken
from these workers.
a) Find the probability that the sample consists exactly 4 union members.
b) Find the probability that the sample consists of at most 2 union members.
Transcribed Image Text:3% of the workers in a factory are union members. A random sample of 5 workers is taken from these workers. a) Find the probability that the sample consists exactly 4 union members. b) Find the probability that the sample consists of at most 2 union members.
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