The random variable X has a mean of 3 and a variance of 9. Find a E(2X

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The random variable X has a mean of 3 and a variance of 9. Find a E(2X + 1), b E(2 + X), Var(2X + 1), d Var(2 + X).

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Edexcel As And A Level Modular Mathematics Statistics 1

ISBN: 978-0435519124

1st Edition

Authors: Keith Pledger Et Al

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Question Posted: Jul 29, 2024 08:01 AM

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The random variable X has a mean of 3 and a variance of 9. Find a E(2X

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Edexcel As And A Level Modular Mathematics Statistics 1

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