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Probability of an event from the probability of a union and a conditional probability

Probability of an event from the probability of a union and a conditional probability

5 marks

Two events, \(C\) and \(D\), satisfy \(\mathrm{P}(C)=0.3\), \(\mathrm{P}(C\cup D)=0.6\) and \(\mathrm{P}(C\mid D)=0.4\). Find \(\mathrm{P}(D)\).[5]

Solution:

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Answer:\(\mathrm{P}(D)=0.5\)

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