Question: Suppose you randomly sample n = 12 observations from a discrete distribution with the following probability function: x: 1 2 3 4 p(x): .2 .1

Suppose you randomly sample n = 12 observations from a discrete distribution with the following probability function:

x: 1 2 3 4 p(x): .2 .1 .5 .2 Determine E( ¯X ) and σ2

¯X.

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