SOLUTION: A bag contains 8 red, 7 white, and 5 blue balls. A ball is drawn from the bag. Find the probability of white. Find the probability of red or blue.

Algebra ->  Probability-and-statistics -> SOLUTION: A bag contains 8 red, 7 white, and 5 blue balls. A ball is drawn from the bag. Find the probability of white. Find the probability of red or blue.      Log On


   

Question 468110: A bag contains 8 red, 7 white, and 5 blue balls. A ball is drawn from the bag. Find the probability of white. Find the probability of red or blue.
Found 2 solutions by icycoolx, ewatrrr:
Answer by icycoolx(1) About Me  (Show Source):
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

20 balls: 8 red, 7 white, and 5 blue balls

Drawing one

P(W) = 7/20

P(R OR B) = 8/20 + 5/20 = 13/20