(a)[3]
Construct the probability distribution table for $X$.
(b)[1]
Find $\text{E}(X)$.
Mathematics 9709 · AS & A Level · Discrete random variables
Discrete random variables — practice question
A fair red six-sided dice has faces labelled $1, 1, 1, 2, 2, 2$. A fair blue six-sided dice has faces labelled $1, 1, 2, 2, 3, 3$. Both dice are thrown. The random variable $X$ represents the product of the two scores.
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This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Table showing the correct $x$ values and at least one correctly matched probability” …
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