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Conditional Probability

Conditional Probability

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Question 10

Leo plays a tennis match on Saturday and Sunday. He can either win or lose.

On Saturday, the probability he wins the match is 0.4.

If Leo wins on Saturday, the probability he wins on Sunday is 0.7. If he loses on Saturday, the probability he wins on Sunday is 0.2.

a.

Complete the probability tree diagram.

A probability tree diagram for Leo's tennis match results on Saturday and Sunday.

[3]
b.

Work out the probability Leo wins exactly one of the two matches.

[3]
Markscheme

Conditional Probability Questions

  1. GCSE
  2. /Maths
  3. /Conditional Probability

28 exam-style questions on AQA GCSE Maths Conditional Probability. Each one has a worked solution and a mark scheme showing where the marks go.

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