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2 Unit 2: Applied Mathematics A

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Question 67

Two events A A\,A and B B\,B are independent, with P(A)=0.5P(A) = 0.5P(A)=0.5 and P(A∪B)=0.65P(A \cup B) = 0.65P(A∪B)=0.65.

a.

Show that P(B)=0.3P(B) = 0.3P(B)=0.3.

[3]
b.

Find P(A∩B′)P(A \cap B')P(A∩B′).

[2]
c.

Find P(A′∩B′)P(A' \cap B')P(A′∩B′).

[1]
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2 Unit 2: Applied Mathematics A Questions

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

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