There were 9 candies with 3 flavors, but there were 4 kids.
What is the probability of 4 kids getting their first choice? If they all
want the same, there will be 1 unhappy child.
pr(4 happy) = 1-pr(1 unhappy)
= 1- 3/81 = 1-1/27 = 26/27 = 96%
= free = members only