Mrs. Sanchez has been teaching economics for over 15 years. She uses the following scale for grading: Grade A В E Numerical score 3 3 1 Probability 0.10 | 0.30 | 0.40 | 0.10 0.10 a. Depict the above probability distribution graphically
Mrs. Sanchez has been teaching economics for over 15 years. She uses the following scale for grading: Grade A В E Numerical score 3 3 1 Probability 0.10 | 0.30 | 0.40 | 0.10 0.10 a. Depict the above probability distribution graphically
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:2. Mrs. Sanchez has been teaching economics for over 15 years. She
uses the following scale for grading:
Grade
A
В
D
E
Numerical score
3
3
1
Probability
0.10
0.30 0.40 | 0.10 0.10
a. Depict the above probability distribution graphically.
Comment whether or not the probability distribution is
symmetric.
b. Convert the above probability distribution to a cumulative
probability distribution.
c. What is the probability of earning at least a B in Mrs. Sanchez's
subject?
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