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Professor Sanchez has been teaching Principles of Economics for over 25 years. He uses the following scale for grading. Grade Numerical Score Probability A 4

Professor Sanchez has been teaching Principles of Economics for over 25 years. He uses the following scale for grading.

Grade Numerical Score Probability

A 4 0.100

B 3 0.300

C 2 0.430

D 1 0.095

F 0 0.075

a. Convert the above probability distribution to a cumulative probability distribution. (Round your answers to 3 decimal places.)

Grade	Numerical Score	Probability
A	4	0.100
B	3	0.300
C	2	0.430
D	1	0.095
F	0	0.075

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