The high school GPAs of applicants for admission to a college program are recorded and relative frequencies are calculated for the categories.
GPA f(x)
x < 2.0 .08
2.0 ≤ x < 2.5 .12
2.5 ≤ x < 3.0 .35
3.0 ≤ x < 3.5 .30
3.5 ≤ x
a. Complete the table to make this a valid probability distribution.
b. What is the probability an applicant's GPA will be below 3.0?
c. What is the probability an applicant's GPA will be 2.5 or above?