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4.1.2 Probability (A-level only)

4.1.2 Probability (A-level only)

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Question 17

The events A and B are such that P(A)=0.3P(A) = 0.3P(A)=0.3, P(A∪B)=0.7P(A \cup B) = 0.7P(A∪B)=0.7. Find

a.

P(A′∩B′)P(A' \cap B')P(A′∩B′)

[2]
b.

P(A′∩B)P(A' \cap B)P(A′∩B)

[2]
c.

Given also that the events A and B are independent, find P(B)P(B)P(B)

[4]
d.

P(A′∪B′)P(A' \cup B')P(A′∪B′)

[2]
Markscheme

4.1.2 Probability (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.1.2 Probability (A-level only)

29 exam-style questions on WJEC A Level Maths 4.1.2 Probability (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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