The discrete random variable R is such that R {1, 3, 5, 7} a. Given that P(R

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The discrete random variable R is such that R ∈{1, 3, 5, 7}

a. Given that P(R = r) = k(r + 1)/r + 2, find the value of the constant k.

b. Hence, find P(R ≤ 4).

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 13, 2021 03:04 AM

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The discrete random variable R is such that R {1, 3, 5, 7} a. Given that P(R

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a k2 b PR 4 PR1 PR3 23 45 815 Explanation a To find the const...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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