If the probabilities for A to fail in anexamination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
If the probabilities for A to fail in anexamination is 0.2 and that for B is 0.3, then the
If the probabilities for A to fail in anexamination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
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