Two ordinary fair dice are rolled. The discrete random variable X is the lowest common multiple of
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Two ordinary fair dice are rolled. The discrete random variable X is the lowest common multiple of the two numbers rolled.
a. Draw up the probability distribution table for X.
b. Find E(X ) and P[X > E(X)].
c. Calculate Var(X).
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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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