Electrical Engineering > GATE 2017 SET-2 > Probability
An urn contains 5 red balls and 5 black balls. In the first draw, one ball is picked at random and discarded without noticing its colour. The probability to get a red ball in the second draw is
A
1/2
B
4/9
C
5/9
D
6/9

Correct : a

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probability red ball second draw urn ball problem GATE Electrical Engineering 2017 electrical engineering gate probability red ball ball probability problem urn ball probability GATE 2017 Set-2

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