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in Class VIII Maths by Expert (40.5k points)

A bag contains six identical black balls. A child withdraws one ball from the bag without looking into it. What is the probability that he takes out:
(i) a white ball,
(ii) a black ball

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1 Answer

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by Expert (74.9k points)

∵ There are 6 black balls in a bag
∴ number of possible outcome = 6
(i) A white ball
As there is no white ball in the bag
∴ Its probability is zero (0) = or P(E) = 0
(ii) a black ball
∴ Number of favourable outcome = 1

∴ P(E) = Number of favourable outcome/Number of all possible outcome

= 1/6

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