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#66916

Quantitative methods for determining probabilities

There are two more assignments in a class before its end, and if you get an A on at least one of them, you will get an A for the semester. Your subjective assessment of your performance is

Event                                                       Probability
A on paper and A on exam                          .25
A on paper only                                          .10
A on exam only                                          .30
A on neither                                               .35

a. What is the probability of getting an A on the paper?
b. What is the probability of getting an A on the exam?
c. What is the probability of getting an A in the course?
d. Are the grades on the assignments independent?


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I provide an easy to follow step by step solution with explanation for these four questions on determining probability.

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