Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?	Pick one.
A) 5/2  B) 5/2  C) 5/3  D) 5/6  E) 5/8
P(at least one graduate)   = 1 - P(no graduates)   = 1 - ⁶C₃/¹⁰C₃ = 1 - (6 * 5 * 4)/(10 * 9 * 8)   = 5/6   Answer:5/6
<result>D</result>
Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?