Mathematics, 21.02.2020 19:53 907to760
Consider randomly selecting a student at a large university, and let A be the event that the selected student has a Visa card and B be the analogous event for MasterCard. Suppose that P(A) = 0.6 and P(B) = 0.3.
a. What is the probability that the selected student has neither type of card?b. Describe in terms of A and B the event that the select student has a visa card, but not a mastercard? and then calulate the probability of this event. c. Calcuate th probability that the selected student has exactly one of the two types of cards?
Answers: 3
![P=[P(A)-P(A\cap B)]+[P(B)-P(A\cap B)]\\\\P=[0.6-0.18]+[0.3-0.18]\\\\P=0.42+0.12\\\\P=0.54](/tpl/images/0519/4604/2dddc.png)
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Consider randomly selecting a student at a large university, and let A be the event that the selecte...
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