Statistics Formulas 0.0 / 5 ? StatisticsStatisticsA2/A-levelAQA Created by: Ashleigh BodenCreated on: 05-03-15 14:04 P(A) the probability that A happens 1 of 6 P(A') te probability that A doesn't happen 2 of 6 (AᴖB) the probability that both A and B happen - P(A) x P(B l A) 3 of 6 (AᴗB) the probability that either A or B or both happen - P(A) + P(B) - (AᴖB) 4 of 6 P(A l B) the probability that A happens, given that B has happened 5 of 6 A and B are independent if you can show: - P(AᴖB) = P(A) x P(B) 6 of 6
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