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Question

A bag contains 10 red balls,16 white balls, and 8 green balls. A ball is drawn out of the bag at random. What is the probability that the ball drawn will be white or green?

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Solution

Total number of possible outcomes =10+16+8=34 balls

So, n(S)=34

Number of favorable outcomes for white or green ball =16+8=24=n(E)

Hence, probability for drawing a white or green ball =n(E)/n(S)=24/34=12/17


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