Question: the probability that a student has a Visa card which would be event v is 65 the probability that a student has a MasterCard event

the probability that a student has a Visa card which would be event v is 65 the probability that a student has a MasterCard event m is 20 the probability that a student has both cards is 13 question a find the probability that a student has either a Visa card or a MasterCard and round your answer to two decimal places

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