The following contingency table summarizes the number of students at
The following contingency table summarizes the number of students at a college who have a Mastercard or a Visa credit card.
a. Find the probability that a randomly selected student ( 1) Has a Mastercard. (2) Has a VISA. (3) Has both credit cards.
b. Find the probability that a randomly selected student ( 1) Has a Mastercard or a VISA. (2) Has neither credit card. (3) Has exactly one of the two credit cards.
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