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Mathematics, 08.05.2021 01:00 evanwall91

A drug is testing the effectiveness of two drugs. If 40 patients are given Drug A, 30 patients are given Drug B, and 20 patients are given a placebo. What is the probability that a patient will NOT be given a placebo? A.1/3
B.7/9
C.2/9
D.4/9

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