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A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bagwhat is the probability that the ball drawn is (í) red? (ii) not red? |
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Answer» Answer: Total number of BALLS in the bag = 8 No. of red balls = 3 No. of BLACK balls = 5 (i) We know that, PROBABILITY P(E) = (Total no.of possible outcomes) / (No.of FAVORABLE outcomes) = 3/8 (ii) We know that, Probability P(E) = (Total no.of possible outcomes) / (No.of favorable outcomes) =5/8 or [for (ii) answer only] p(not E) =1- p(E) p(not E) = 1- 3/8 p(not E) = 5/8 |
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