1. An online bookstore is having a one-day sale. Softcover books are $4, hardcover books are $7, magazines are $3, and all digital downloads of books are $2. Let's say 150 customers purchased books in one form or another that day. Below are the frequencies in which customers purchased books:

Books: Purchases:
Softcover 42
Hardcover 28
Magazine 23
Digital Download 57

Based on the data above, which is the correct relative frequency with discrete random variable X = "the amount of money for a book?"

A. xP(X = x)
2 0.38
3 0.15
4 0.28
7 0.19

B. xP(X = x)
2 0.15
3 0.38
4 0.19
7 0.28

C. xP(X = x)
2 0.28
3 0.19
4 0.15
7 0.38

D. xP(X = x)
1 0.38
2 0.15
3 0.28
4 0.19

Branliest to correct answer no guessing please really need help