(a)[2]
Find $P(A \cap B)$.
(b)[2]
Hence determine whether the events $A$ and $B$ are independent.
Mathematics 9709 · AS & A Level · Probability
Probability — practice question
Two fair dice, one red and one blue, are rolled. Event $A$ is "the number on the red die is a multiple of $3$". Event $B$ is "the total of the two numbers is at least $9$."
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Write out the full outcome space, or list the $\{A,B\u007f\}$ outcomes, or give the outcomes in $A\cap B$” …
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