Posted by ana on Sunday, March 7, 2010 at 6:22pm.
George has a bag of marbles. Inside the bag are 5 red marbles, 3 green marbles, and 2 blue marbles. He draws out two marbles in a row, without replacement. What is the number of outcomes?

math  bobpursley, Sunday, March 7, 2010 at 6:50pm
What is 3*3? Nine possible outcomes
RG
RR
RB
BG
GG
RR
BB
GR
BR