2.21. Let X and Y be independent Bernoulli (1/2) random variables. Let Z - (Y – X)². What is the distribution of Z? Show that Z and X are independent. Show that Z and Y are also independent, but that X, Y and Z are not independent.
2.21. Let X and Y be independent Bernoulli (1/2) random variables. Let Z - (Y – X)². What is the distribution of Z? Show that Z and X are independent. Show that Z and Y are also independent, but that X, Y and Z are not independent.
A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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![2.21. Let X and Y be independent Bernoulli (1/2) random variables. Let Z =
(Y – X)². What is the distribution of Z? Show that Z and X are independent.
Show that Z and Y are also independent, but that X, Y and Z are not independent.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe15ed467-90ec-4e60-afef-3d3f6119f74d%2F1cefe991-e3e8-4749-91be-d6f90050e83a%2F0oxjfmo_processed.png&w=3840&q=75)
Transcribed Image Text:2.21. Let X and Y be independent Bernoulli (1/2) random variables. Let Z =
(Y – X)². What is the distribution of Z? Show that Z and X are independent.
Show that Z and Y are also independent, but that X, Y and Z are not independent.
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