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10 questions from this quiz
Elements common to both AAA and BBB
The set of elements not in event AAA
P(A)+P(B)−P(A∩B)P(A) + P(B) - P(A \cap B)P(A)+P(B)−P(A∩B)
The intersection is counted twice
0.30.30.3
0.8750.8750.875
151515
555
696969
333
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