O 15.48 The events A and B are independent, so: O Prob (A) = Prob (B) O Prob (A and B) = Prob (A) * Prob (B) O Prob (A) + Prob (B) = 1 O Prob (A or B) = Prob (A) + Prob (B) In descriptive statistics, we study: [2 pts] *
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