Skip to content
MathsGenie logo
Quick links
Open app

Course home

  1. A Level
  3. Maths OCR (MEI)
  5. Question bank

2.3 Probability

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697
Question 1
29%

The events A and B are such that P(A)=0.4P(A) = 0.4P(A)=0.4, P(B)=0.5P(B) = 0.5P(B)=0.5, P(A∩B)=0.3P(A \cap B) = 0.3P(A∩B)=0.3. Find

a.

P(A∪B)P(A \cup B)P(A∪B)

[2]
b.

P(A∣B)P(A|B)P(A∣B)

[3]
c.

P(A′∣B′)P(A'|B')P(A′∣B′)

[3]

2.3 Probability Questions

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