Question

Mark wants to visit the 10 colleges he is considering attending. He can only spend the night at 3 of them. What is the probability that he spends a night at Rutgers University, a night at the University of Miami, and a night at Clemson University?

Answer 1

number of triples from 10
= C(10,3) = 120

the triple of Rutgers, Miami, and Clemson is specifically one of those

prob(your event) = 1/120

Answer 2

thanks