Edexcel S1 — Question 2

Exam BoardEdexcel
ModuleS1 (Statistics 1)
TopicIndependent Events
TypeCalculate probabilities using independence

2. Events \(A\) and \(B\) are independent. Given also that $$\mathrm { P } ( A ) = \frac { 3 } { 4 } \quad \text { and } \quad \mathrm { P } \left( A \cap B ^ { \prime } \right) = \frac { 1 } { 4 }$$ Find
  1. \(\mathrm { P } ( A \cap B )\),
  2. \(\mathrm { P } ( B )\),
  3. \(\mathrm { P } \left( A ^ { \prime } \cap B ^ { \prime } \right)\).