For the random variable X, we know that P(X = 1) = 0.3, P(X = 2) =

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For the random variable X, we know that P(X = 1) = 0.3, P(X = 2) = 0.2, P(X = 5) = 0.5.

Then, the expected value of X equals

(a) 8∕3

(b) 2

(c) 1

(d) 3.2

(e) 2.7

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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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For the random variable X, we know that P(X = 1) = 0.3, P(X = 2) =

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Introduction To Probability Volume 2

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