Asked by Tim
In a class of 50 students, 31 are Democrats, 13 are business majors, and 3 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.
Answers
Answered by
PsyDAG
31 + 13 + 3 ≠ 50
What about the remaining 3 students?
13/50 = business major
31/50 = Democrats
Either-or probabilities are found by adding probabilities of individual events.
What about the remaining 3 students?
13/50 = business major
31/50 = Democrats
Either-or probabilities are found by adding probabilities of individual events.
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