X 0 1 2 f(x) 0.2 0.4 ? 1) What is the mean number of cars...

Question

Question

X 0 1 2

f(x) 0.2 0.4 ?

1) What is the mean number of cars a family owns E(X)?

2) What is the variance of the number of cars a family owns, Var(X) = σ x^2

3) What is the standard deviation of X, sd(X) = σ x?

Answer 1

Answer #1

Answer 2

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