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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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?
i got 0.00984 and my friend got 0.00729
but no right answer yet. please help
X ~ Binomial(p = 10/300, n = 5)Quote:
Originally Posted by z1llch
Calculate Pr(X = 2).
alright thanks! =)