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Combination

A bag contain...

Question

A bag contains $5$ white, $7$ red and $3$ black balls. If a ball is chosen at random Find theprobability that it s not red.

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Solution

NO of white balls $= 5$
NO .of Red balls $= 7$
NO .of Black balls $= 3$

Total NO of balls $7 + 5 + 3 = 15$
Required probability is $\frac{8}{15}$

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