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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.)

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