300 discs of different colour.

100 pink, 100 blue and 100 orange.

each is numbered from 0-99

5 discs are selected at random. one and a time, with replacement.

what is the probability of getting exact 2 orange disc that ends with a 6?

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- Apr 2nd 2010, 03:16 AMz1llchsimple probablility ques.
300 discs of different colour.

100 pink, 100 blue and 100 orange.

each is numbered from 0-99

5 discs are selected at random. one and a time, with replacement.

what is the probability of getting exact 2 orange disc that ends with a 6? - Apr 2nd 2010, 03:37 AMz1llch
i got 0.00984 and my friend got 0.00729

but no right answer yet. please help - Apr 2nd 2010, 05:14 AMmr fantastic
- Apr 2nd 2010, 05:39 AMz1llch
alright thanks! =)