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प्रश्न
A bag contains 16 coloured balls. Six are green, 7 are red and 3 are white. A ball is chosen, without looking into the bag. Find the probability that the ball chosen is red.
योग
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उत्तर
Balls in the bag = 16 = Number of balls that could be drawn
n(S) = 16
E = Event of drawing a red ball = number of red balls = 7
n(E) = 7
Probability of drawing a red ball = `(n(E))/(n(S)) = 7/16`
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