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2 Unit 2: Applied Mathematics A

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Question 59

Events C C\,C and D D\,D are independent, with P(C)=0.4P(C)=0.4P(C)=0.4 and P(D)=0.3P(D)=0.3P(D)=0.3.

a.

Find P(C′∩D)P(C'\cap D)P(C′∩D).

[2]
b.

Find P(C∪D)P(C\cup D)P(C∪D).

[2]
c.

Explain why independent events with non-zero probabilities cannot be mutually exclusive.

[1]
Markscheme

2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

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