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Question Number 134117 by ClarkeMelodyWenkeh last updated on 27/Feb/21

Answered by TheSupreme last updated on 28/Feb/21

$$A=15$$$$B=10$$$$A\cup B=A+B-A\cap B=20$$$$A\cap B=15+10-20=5$$$$p(A\cap B)=\frac{A\cap B}{A\cup B}=\frac{1}{4}$$

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