Please Help!!
Lauren attended her 10th high school reunion. Of the 68 people present, she observed that 32 were married and in their first marriage, 20 were married and in their second marriage, and 16 were currently single.
(a) If one person is selected at random from the group, find the probability that it is a single person.
(b) If two people are selected at random, find the probability that both are in their second marriage.
(c) If three people are selected at random, find the probability that two are in their first marriage and one is single.

Question

Please Help!!
Lauren attended her 10th high school reunion. Of the 68 people present, she observed that 32 were married and in their first marriage, 20 were married and in their second marriage, and 16 were currently single.
(a) If one person is selected at random from the group, find the probability that it is a single person.
(b) If two people are selected at random, find the probability that both are in their second marriage.
(c) If three people are selected at random, find the probability that two are in their first marriage and one is single.