Answer students' questions and become popular!

Consider the following frequency table of the performance ratings on a scale of 1–good, 2–fair, and 3–poor, bestowed on their local baseball team by a collection of 100 fans:
Rating -Frequency
1- 20
2- 30
3- 50

The cumulative relative frequencies for each performance rating are
a. 1–20%, 2–30%, 3–50%
b. 1–20%, 2–50%, 3–100%
c. 1–80%, 2–70%, 3–50%
d. 1–50%, 2–30%, 3–20%