Let Y be binomial (n = 5, = .6). (a) Calculate the mean and variance by

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Let Y be binomial (n = 5, π = .6).

(a) Calculate the mean and variance by filling in the following table:

yi f(yi) yi × f(yi) y2 i × f(yi)

0 1

2 3

4 5

Sum i. E(Y ) =

ii. V ar(Y ) =

(b) Calculate the mean and variance of Y using Equations

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