The following table provides a probability disribution for


The following table provides a probability disribution for the random variable x

x: 2 , 4 , 7 , 8

f(x) .20 , .30 , .40, .10

a) Compute E(x)

b) Compute Var(x)

3. Consider a binomal exxperiment with n=10 and p=.10

a) Compute f(0)

b) Compute f(2)

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Basic Statistics: The following table provides a probability disribution for
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