Consider some 4-sided dice. Roll two of these dice. Let X denote the minimum of the two

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Consider some 4-sided dice. Roll two of these dice. Let X denote the minimum of the two values that appear, and let Y denote the maximum of the two values that appear.
Let Aj be the event containing all outcomes in which the minimum of the two dice is "j or greater." Let Xj indicate whether Aj occurs. Then X = XI + X2 + X3 + X4. Find the expected value of X by finding the expected value of the sum of the indicator random variables.
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Introduction to Probability

ISBN: 978-0716771098

1st edition

Authors: Mark Daniel Ward, Ellen Gundlach

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