Question

A bag contains 6 black balls and 7 red balls. A ball is drawn at random from by the bag. Find the probability that it is black ball

Answer 1

The Total Number of balls in bag = 6 + 7

= 13 balls

We know that the Formula to find Probability is

The Probability = $\frac{number \: of \: favorable \: event}{total \: number \: of \: event}$

The Probability of getting black ball = $\frac{6}{13}$

Hence, The probability that it is

black ball is $\frac{6}{13}$

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