SOLUTION: A box contains 2 ​red, 4 white and 4 green balls. Two balls are drawn out of the box in succession without replacement. What is the probability that both balls are the same&#
Algebra ->
Probability-and-statistics
-> SOLUTION: A box contains 2 ​red, 4 white and 4 green balls. Two balls are drawn out of the box in succession without replacement. What is the probability that both balls are the same&#
Log On
Question 1115993: A box contains 2 red, 4 white and 4 green balls. Two balls are drawn out of the box in succession without replacement. What is the probability that both balls are the same color? Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! 10 balls
both red (2/10)(1/9)=1/45
both white (4/10)(3/9)=6/45
both green same, 6/45
Answer is the sum (13/45)
