Mathematics 4024 · O Level · Probability of combined events

Probability of combined events — practice question

Jim has a $0.7$ chance of taking part in the next match. If Jim does play, the probability that his team wins is $0.8$. If Jim does not play, the probability that his team wins is $0.6$.
(a)[2]

Complete the tree diagram.

(b)[2]

Calculate the probability that Jim’s team wins the next match.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Correctly placing $0.7,0.3,0.2,0.4$

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