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Consider randomly selecting a student at a certain university, and let A denote the event that the selected individual has a Visa credit card and

Consider randomly selecting a student at a certain university, and letAdenote the event that the selected individual has a Visa credit card andBbe the analogous event for a MasterCard whereP(A) =0.45,P(B) =0.45,andP(AB) =0.20.Calculate and interpret each of the following probabilities (a Venn diagram might help). (Round your answers to four decimal places.)

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