Question

Consider the following data x 0 1 2 3 4    Pr(X=x) .16 .19 .36 .18...

Consider the following data

x 0 1 2 3 4   

Pr(X=x) .16 .19 .36 .18 .11

a) calculate expected value

b) calculate E[X2]

c) calculate Var(X)

d) calculate the standard deviation

0 0
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Answer #1

a)

=1.89

b)

=5.01

c)

=5.01-(1.89)2

=1.4379

d)

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