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a bag contains 12 white balls 13 yellow balls and 15 blue balls. a ball...

a bag contains 12 white balls 13 yellow balls and 15 blue balls. a ball is picked or without replacement. find the probability that 1 find the probability the first is white n second is blue 2 they are of the different colour?

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1) 12/30 *15/29
= 12/58
=6/29
2)12/30*13/29*15*28
=6/29*13/28
=39/409
sannmotu

Answers (1)

sannmotu
6 months ago
1) 12/30 *15/29
= 12/58
=6/29
2)12/30*13/29*15*28
=6/29*13/28
=39/409
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