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2.3 Probability

2.3 Probability

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Question 74

The Venn diagram below shows three events AAA, B B\,B and CCC, with probabilities as marked.

Figure for question 5

The events A A\,A and B B\,B are independent, and P(A)=0.3P(A) = 0.3P(A)=0.3.

a.

Write down two of the three events that are mutually exclusive.

[1]
b.

Find the values of ppp, q q\,q and rrr.

[5]
Markscheme

2.3 Probability Questions

  1. A Level
  2. /Maths
  3. /2.3 Probability

200 exam-style questions on OCR A Level Maths 2.3 Probability, covering 2.3.1 Mutually exclusive and independent events, 2.3.2 Diagrams to assist probability calculations, 2.3.3 Conditional probability (A-level only), 2.3.4 Conditional probability from first principles (A-level only), and 2.3.5 Modelling with probability. Each one has a worked solution and a mark scheme showing where the marks go.

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