wel i think sanky wants to say tht..........first a marble is selected....then two other marbles are selected and thrown away........ rite??
An urn contains 5red and 3white marbles.A marble is selected at random from the urn, and discarded two.
1)Probability of second marble being red is _____
2)Probability of both marbles being of the same color_______
3)Probability of the first marble being red if second is also red,is_____
-
UP 0 DOWN 0 0 5
5 Answers
Subash
·2009-02-02 09:41:07
im not getting the question clearly
A marble is selected at random from the urn, and discarded two.
Harry Potter
·2009-02-02 09:45:10
ya me too.........wat u mean with this sankara!!!!!!!!!!???plzz tell clearly...........
Akand
·2009-02-02 09:47:02