Two bags contain coloured marbles. Bag X contains 4 red marbles and 5 blue marbles.
Bag Y contains 3 red marbles and 2 blue marbles.
A marble is drawn at random from bag X and put into bag Y, a second marble is then drawn at random from bag Y.
(a) draw the probability tree diagram
(b) find the probability that the two marbles drawn are of different colours.
Originally posted by Divanhot:Two bags contain coloured marbles. Bag X contains 4 red marbles and 5 blue marbles.
Bag Y contains 3 red marbles and 2 blue marbles.
A marble is drawn at random from bag X and put into bag Y, a second marble is then drawn at random from bag Y.
(a) draw the probability tree diagram
(b) find the probability that the two marbles drawn are of different colours.
Here u go
If I knew someone was doing it, I probably won't have type all these out.