two marbles are drawn randomly one after the other without replacement from a jar that contains 2 red marbles 9 white and 6 yellow. find the probability of
a)a red marble is drawn first followed by a white one
b) a white is followed by a white
c)A yellow is not drawn at all

Question

two marbles are drawn randomly one after the other without replacement from a jar that contains 2 red marbles 9 white and 6 yellow. find the probability of 
a)a red marble is drawn first followed by a white one
b) a white is followed by a white
c)A yellow is not drawn at all

anonymous · Answer

@popitree do you know this?

popitree · Answer

a. probability of getting red at first 2/(2+9+6) = 2/17, now followed by white one,
(2/17)*(9/16) == next time there are 16 balls. so i believe2/17*9/16, but cross verify with the answer

popitree · Answer

if u have access to the answer let me know if it is correct

anonymous · Answer

okay i won't know for a while but thank you