Answer:
236 visitors purchased no costume.
202 visitors purchased exactly one costume.
40 visitors purchased more than one costume.
The total number of customers is, N = 236 + 202 + 40 = 478.
Let X denote the number of costumes purchased by the next person.
Compute the probability that the next person will purchase no more than one costume as follows:
Thus, the probability that the next person will purchase no more than one costume .
