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Solution: Find the probability that both balls are white

(Last Updated On: March 12, 2019)

Find the probability that both balls are white

Problem Statement: EE Board October 1990

From a bag containing 4 black balls and 5 white balls, two balls are drawn one at a time. Find the probability that both balls are white. Assume that the first ball is returned before the second ball is drawn.

Problem Answer:

The probability that both balls are white is 25/81.

View Solution:
Solution: Find the probability that both balls are white

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