A population has distribution
$A population has distribution Let X1 and X2 be independent and each have the same distribution as the population. (a) Find the expected value and variance of X1. (b) Determine the missing elements in the table for the sampling distribution of \bar{X} = (X1 + X2) / 2 (c) Find the expected value and variance of \bar{X} . (d) If the sample size is increased to 16, give the mean and variance of \bar{X}$
Let X₁ and X₂ be independent and each have the same distribution as the population.
(a) Find the expected value and variance of X₁.
(b) Determine the missing elements in the table for the sampling distribution of

\bar{X}

= (X1 + X2) / 2
$A population has distribution Let X1 and X2 be independent and each have the same distribution as the population. (a) Find the expected value and variance of X1. (b) Determine the missing elements in the table for the sampling distribution of \bar{X} = (X1 + X2) / 2 (c) Find the expected value and variance of \bar{X} . (d) If the sample size is increased to 16, give the mean and variance of \bar{X}$ (c) Find the expected value and variance of

\bar{X}

.
(d) If the sample size is increased to 16, give the mean and variance of

\bar{X}

Suppose the Number of Passengers in a Bus, Going from New

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