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Experimental/Empirical Probability

An urn contai...

Question

An urn contains 9 red, 7 white and 4 black balls. If a ball is drawn at random, find the probability that the ball is red.

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Solution

Total no .of balls is $9 + 7 + 4 = 20$

No .of red balls is $9$

The probability is $\frac{9}{20}$

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