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Probability distribution

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The high school GPA 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?

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The solution converts relative frequency into Probability distribution.

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