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The following contingency table summarizes

by | Dec 2, 2023 | Posted Questions

The following contingency table summarizes the number of students at a college who have a Mastercard or a Visa credit card. (show all the calculations)

Have Visa Don’t have Visa Total

Have MasterCard1,000 1,500 2,500

Don’t have MasterCard 3,000 4,500 7,500

Total4,000 6,000 10,000

Find the probability that a randomly selected student:

(1) Has a Mastercard

(2) Has a VISA

(3) Has both credit cards.

Find the probability that a randomly selected student:

(1) Has a Mastercard or VISA

(2) Has neither credit card

(3) Has exactly one of the two credit cards.

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