Each customer entering a department store will either buy or not buy some merchandise. An experiment consists of following 4 customers and determining whether or not they purchase any merchandise. How many sample points exist in the above experiment? (Note that each customer is either a purchaser or non-purchaser.)
A)2
B)4
C)12
D)16

Question

Quizplus · Accepted Answer

Each customer has 2 possible outcomes (buy or not buy). For 4 customers, the total number of sample points is 2^4 = 16.

Each Customer Entering a Department Store Will Either Buy or Not