SOLUTION: A bag contains 8 red marbles, 5 blue marbles, 4 green marbles, and 7 yellow marbles. Five marbles are randomly drawn from the bag one at a time and not replaced. What is the probab

Algebra ->  Probability-and-statistics -> SOLUTION: A bag contains 8 red marbles, 5 blue marbles, 4 green marbles, and 7 yellow marbles. Five marbles are randomly drawn from the bag one at a time and not replaced. What is the probab      Log On


   

Question 1027587: A bag contains 8 red marbles, 5 blue marbles, 4 green marbles, and 7 yellow marbles. Five marbles are randomly drawn from the bag one at a time and not replaced. What is the probability that the first three marbles drawn are red?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First red
P%28R%5B1%5D%29=8%2F%288%2B5%2B4%2B7%29=8%2F24=1%2F3
Second red,
P%28R%5B2%5D%29=7%2F23
Third red,
P%28R%5B3%5D%29=6%2F22=3%2F11
First three red,
P=P%28R%5B1%5D%29%2AP%28R%5B2%5D%29%2AP%28R%5B3%5D%29
P=%281%2F3%29%287%2F23%29%283%2F11%29
P=7%2F253