You need to buy three books for your finance course this semester.You estimate that there is 60% chance of that you can buy any one of the books cheaper online than in the bookstore.If you define "number of the finance books that will be cheaper online" as a random variable, the possible values for the random variable are, in ascending order:
A)1,2,3,4
B)0,1,2
C)2,4,6
D)0,1,2,3
E)4,3,2,1

Question

Quizplus · Accepted Answer

The random variable represents the number of books that can be bought cheaper online. Since you are buying three books, the possible outcomes range from finding none (0) cheaper online to finding all three (3) cheaper online. Thus, the correct set of values is 0, 1, 2, 3.

You Need to Buy Three Books for Your Finance Course