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A Bag Contains 3 Red Balls, 5 Black Balls and 4 White Balls. a Ball is Drawn at Random from the Bag. What is the Probability that the Ball Drawn Is White - Mathematics

Sum

A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is White

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Solution

Total number of possible outcomes = 12 {3 red balls, 5 black balls & 4 white balls}

E ⟶ event of getting white ball

No. of favourable outcomes = 4 {4 white balls}

Probability, P(E) =`"No.of favorable outcomes"/"Total no.of possible outcomes"`

Probability, P(E) =4/12 =1/3

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