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प्रश्न
A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is Red
उत्तर
Total no. of possible outcomes = 15 {4 red, 5 black, 6 white balls}
E ⟶ event of drawing red ball
No. of favourable outcomes = 4 {4 red balls}
P(E) =4/15
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