In a jar there are 3 red gumballs and 2 blue gumballs. What is the probability of drawing at least one red gumball when drawing two consecutive balls randomly?\nOptions:\n(A) 2/5\n(B) 16/20\n(C) 9/10\n(D) 3/5\n(E) 1/3 Stream of consciousness:
User
P(at least one red) = 1 - P(no red, so 2 blue) = 1- 2/5*1/4 = 9/10.
Thus, the answer is (C).
Assistant