Posted by Dylan on Sunday, December 11, 2011 at 8:23pm.
A bag contains 4 orange marbles, 11 blue marbles and 1 yellow marble. What is the probability of drawing a blue followed by another blue without replacement?
Not sure what to do?

algebra  Henry, Tuesday, December 13, 2011 at 4:22pm
1. P = 11/16.
2. P = 10/15 = 2/3.