SOLUTION: A bag contains 80 balls of which 20 are red, 25 are blue and 35 are white. A ball is picked at random ,what is the probability that the ball picked is (i) Red ball (ii) Red or Bl

Algebra ->  Probability-and-statistics -> SOLUTION: A bag contains 80 balls of which 20 are red, 25 are blue and 35 are white. A ball is picked at random ,what is the probability that the ball picked is (i) Red ball (ii) Red or Bl      Log On


   

Question 1117440: A bag contains 80 balls of which 20 are red, 25 are blue and 35 are white. A ball is picked at random ,what is the probability that the ball picked is
(i) Red ball
(ii) Red or Blue ball
Answer by ikleyn(52884) About Me  (Show Source):
You can put this solution on YOUR website!
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(i)  20 favorable outcomes of 80.


     The probability under the question is  20%2F80 = 1%2F4 = 0.25 = 25%.



(ii)  20+25 = 45  favorable outcomes of 80.


     The probability under the question is  45%2F80 = 9%2F16 = .0.5625 = 56.25%.