A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Question

An urn has 8 balls that are identical except that 4 are white and 4 are red. A sample of 5 is selected randomly without replacement.
What is the probability that exactly 3 are white and 2 are red?
 

What is the probability that at least 3 of the balls are white?

 
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