SOLUTION: A um contain 30 colored balls. Eight of the balls are purple. 10 of the balls are orange. The remaining balls are all brown. Three of the balls are randomly selected from the Urn.

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Question 610978: A um contain 30 colored balls. Eight of the balls are purple. 10 of the balls are orange. The remaining balls are all brown. Three of the balls are randomly selected from the Urn. What is the probability that all three balls are brown.
a. 11/203
b. 8/125
c. 5/92
d. 3/61
I think the correct answer is D. Is that correct?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
A urn contain 30 colored balls: 8 Purple, 10 Orange and 12 Brown
Three of the balls are randomly selected from the Urn.
P(all brown) =