+279 Raina places the following balls into a bag. She then draws three balls out of the bag, one at a time, without replacement. What is the probability that the colors of the balls alternate?
There are 3 orange balls and 2 purple balls.
+410 Probability of purple orangle purple:
25∗34∗13=110
Probability of orange purple orange:
35∗12∗23=15
15+110=310.
The probability that the balls alternate is 3/10.
