9709 P52 - Jun 2022 - Q2
2953
A fair 6-sided die has the numbers 1, 2, 2, 3, 3, 3 on its faces. The die is rolled twice. The random variable X denotes the sum of the two numbers obtained.
(a) Draw up the probability distribution table for X.
(b) Find E(X) and Var(X).
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