Edexcel S1 2002 November — Question 3

Exam BoardEdexcel
ModuleS1 (Statistics 1)
Year2002
SessionNovember
TopicIndependent Events
TypeCalculate probabilities using independence
3. The events \(A\) and \(B\) are independent such that \(\mathrm { P } ( A ) = 0.25\) and \(\mathrm { P } ( B ) = 0.30\). Find
  1. \(\mathrm { P } ( A \cap B )\),
  2. \(\mathrm { P } ( A \cup B )\),
  3. \(\mathrm { P } \left( A B ^ { \prime } \right)\).
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