SOLUTION: A bag contains 5 red marbles and 4 yellow marbles. You are asked to draw 3 marbles from the bag without replacement. In how many ways can you draw 2 reds and 1 yellow?
Algebra ->
Probability-and-statistics
-> SOLUTION: A bag contains 5 red marbles and 4 yellow marbles. You are asked to draw 3 marbles from the bag without replacement. In how many ways can you draw 2 reds and 1 yellow?
Log On
Question 411259: A bag contains 5 red marbles and 4 yellow marbles. You are asked to draw 3 marbles from the bag without replacement. In how many ways can you draw 2 reds and 1 yellow? Answer by rfadrogane(214) (Show Source):
You can put this solution on YOUR website! A bag contains 5 red marbles and 4 yellow marbles. You are asked to draw 3 marbles from the bag without replacement. In how many ways can you draw 2 reds and 1 yellow?
Sol'n:
total number of marbles: 9
P(2R&1Y)= (5/9)(4/8)(4/7)
P = 10/63 ----answer
^_^
