if one ball is drawn at random from each of three boxes containg 3whiteand 1 black,2 white and 2 black ,1 white and 3 black,then probability that 2 white and i black ball is drwn is a) 13/32 b) 1/4 c) 1/32
Asked by Maneesha m | 20th Dec, 2013, 03:11: PM
Expert Answer:
2 white balls and 1 black ball can be selected from three boxes as follows:
WWB or WBW or BWW
Box 1 Box 2 Box3
Thus, we have
Thus, option A.
Answered by Rashmi Khot | 20th Dec, 2013, 04:27: PM
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