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From 1, 2, 3, …, 320 one number is selected at random. Find the probability that it is either a multiple of 7 or a multiple of 3.(a) 72%(b) 42.5%(c) 12.8%(d) 63.8%This question was addressed to me by my school principal while I was bunking the class.The origin of the question is Discrete Probability topic in portion Discrete Probability of Discrete Mathematics |
Answer» The correct choice is (B) 42.5% |
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