Problema Solution
Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red and 1 blue marble. Find the probability. Both marbles are white.
(a) 3/22 (b)9/56 (c) 3/8 (d) 3/28
Answer provided by our tutors
P(Both marbles are white) = C(3,2)/C(8,2) = 3/28
Choose (D)