Question:
An urn contains five balls. Two balls are drawn and found to be white. The probability that all the balls are white is
An urn contains five balls. Two balls are drawn and found to be white. The probability that all the balls are white is
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Use combinations for probability without replacement.
Updated On: Mar 19, 2026
- (1)/(10)
- (3)/(10)
- (3)/(5)
- (1)/(2)
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The Correct Option is B
Solution and Explanation
Assuming the urn initially contains 3 white and 2 black balls, the probability that both drawn balls are white is:
frac\binom32\binom52=(3)/(10)
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