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9. Maria has three tickets for a concert. She'd like to use one of the tickets herself, and offer the other two tickets to any
9. Maria has three tickets for a concert. She'd like to use one of the tickets herself, and offer the other two tickets to any of four friends (Ann, Beth, Chris, Dave).
(a) How many ways can 2 people be selected from 4 to go to a concert?
(b) How many ways can Beth be one of the ticket recipients?
(c) What is the probability that Beth will receive one of the tickets?
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