Find the variance of a geometric distribution To find E X 2 , write k 2 k 2 k k k(k 1) k You will need to take two derivatives ...

Find the variance of a geometric distribution. To find E[X 2 ], write k 2 = k

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Find the variance of a geometric distribution. To find E[X²], write k² = k² − k + k = k(k − 1) + k. You will need to take two derivatives.

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Probability With Applications and R

ISBN: 978-1118241257

1st edition

Authors: Robert P. Dobrow

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Question Posted: Oct 13, 2018 08:28 AM

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Find the variance of a geometric distribution. To find E[X 2 ], write k 2 = k

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Thus EX k 1 pkp k1 pkk ...View the full answer

Probability With Applications and R

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