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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Exercise 1. A bucket contains 10 ping pong balls, of which 3 are orange and 7 are blue. You draw two ping pong balls out of the bag (randomly and without replacement). Let X be the number of blue balls that you draw. (a) Explain why X meets the criteria to be a discrete r.v., and give its space. (b) Find the pmf of X.
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Transcribed Image Text:Exercise 1. A bucket contains 10 ping pong balls, of which 3 are orange and 7 are blue. You draw two ping pong balls out of the bag (randomly and without replacement). Let X be the number of blue balls that you draw. (a) Explain why X meets the criteria to be a discrete r.v., and give its space. (b) Find the pmf of X.
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