Question 921540: A bag contains four red, three green, and five yellow marbles. Three marbles are drawn, one at time, without replacement. Determine the probability that the order in which they are selected is:
a) Yellow, red, green
b) Yellow, green, green
c) Yellow, yellow, red
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A bag contains four red, three green, and five yellow marbles. Three marbles are drawn, one at time, without replacement. Determine the probability that the order in which they are selected is:
a) Yellow, red, green::: (5/12)(4/11)(3/10)
----------------------------------------------------
b) Yellow, green, green:: (5/12)(3/11)(3/12)
--------------------------------------------------
c) Yellow, yellow, red:: (5/12)(4/11)(4/11)
--------------------------------------------------
Cheers,
Stan H.
-----------------------
|
|
|
