A population has distribution Let X 1 and X 2 be independent and each have the same

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A population has distribution

Let X₁ and X₂ be independent and each have the same distribution as the population.
(a) Determine the missing elements in the table for the sampling distribution of X̅ = (X₁ + X₂ ) /2.

(b) Find the expected value of X̅.
(c) If the sample size is increased to 25, give the mean and variance of X̅.

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Statistics Principles And Methods

ISBN: 9781119497110

8th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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Question Posted: Nov 01, 2022 09:52 AM

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A population has distribution Let X 1 and X 2 be independent and each have the same

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Value Probability .1 .3 .6 135 5

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