Out of 10 persons working on a project, 6 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
Choices:	A) 29/7	B) 29/3	C) 29/1	D) 29/30	E) 29/20
P(at least one graduate) = 1 - P(no graduates)   = 1 - 4C₃/¹⁰C₃ = 1 - (4*3*2)/(10 * 9 * 8)   = 29/30   Answer: 29/30
<result>D</result>
Out of 10 persons working on a project, 6 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?