Let X be the number of times an ordinary fair die is rolled, up to and including
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Let X be the number of times an ordinary fair die is rolled, up to and including the roll on which the first 6 is obtained. Find E(X ) and evaluate P[X > E(X )].
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The expected value of X denoted as EX is the average number of rolls it takes to get ...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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