A bag contains 3 white b***s, 4 green b***s, and 5 red b***s. Three b***s are drawn from the bag without replacement. Use a tree diagram to find the probability that the b***s are all of different colors.
312∗411∗510∗6=36132=311
Tree Diagram
https://picload.org/image/ropadplw/094.jpg
https://picload.org/image/ropadpcr/095.jpg
Print and stick together.
+77 
