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