Let f be a probability function of a random variable X defined by f (x) = cx,

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Let f be a probability function of a random variable X defined by f (x) = cx, RX = {1, 2, 3}.

Then, the expected value of X equals

(a) 7∕6 (b)7∕3 (c)1∕6 (d)7∕2

(e) 14∕9

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Introduction To Probability Volume 2

ISBN: 9781118123331

1st Edition

Authors: Narayanaswamy Balakrishnan, Markos V. Koutras, Konstadinos G. Politis

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Question Posted: Sep 19, 2024 07:04 AM

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Let f be a probability function of a random variable X defined by f (x) = cx,

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Introduction To Probability Volume 2

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