See attached table of grade point averages. One hundred seniors were chosen at random from a graduating class at a university and their grade-point averages recorded.  D) Construct a cumulative frequency and relative cumulative frequency table. What is the probability of a GPA drawn at random from the sample being over 2.95? E) Construct a cumulative frequency polygon

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See attached table of grade point averages. One hundred seniors were chosen at random from a graduating class at a university and their grade-point averages recorded. 

D) Construct a cumulative frequency and relative cumulative frequency table. What is the probability of a GPA drawn at random from the sample being over 2.95?

E) Construct a cumulative frequency polygon

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