Question: The following table provides a probability distribution for the random variable . 3 0.20 4 0.20 7 0.30 9 0.30 a. Compute (to 1 decimal).

The following table provides a probability distribution for the random variable .

3 0.20
4 0.20
7 0.30
9 0.30

a. Compute (to 1 decimal).

b. Compute and (to 2 decimals).

Var(y)
O

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