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# A Bag Contains 3 White, 5 Black and 2 Red Balls, All of the Same Shape and Size. a Ball is Drawn from the Bag Without Looking into It, Find the Probability that the Ball Drawn Is: Not a Red Ball. - ICSE Class 10 - Mathematics

ConceptProbability - A Theoretical Approach

#### Question

A bag contains 3 white, 5 black and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is:

not a red ball.

#### Solution

There are 3+5=8 balls which are not red

Favourable number of events= P(A)=8

Hence, P (not getting a red ball) = (P(A))/(P(n))=8/10=4/5

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Solution A Bag Contains 3 White, 5 Black and 2 Red Balls, All of the Same Shape and Size. a Ball is Drawn from the Bag Without Looking into It, Find the Probability that the Ball Drawn Is: Not a Red Ball. Concept: Probability - A Theoretical Approach.
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