You Need to Buy Three Books for Your Finance Course

Multiple Choice

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