Concept explainers
In Exercises 1–22, use Bayes’ theorem to calculate the probabilities.
Scholarship Winners Twenty percent of the contestants in a scholarship competition come from Pylesville High School, 40% come from Millerville High School, and the remainder come from Lakeside High School. Two percent of the Pylesville students are among the scholarship winners; 3% of the Millerville contestants and 5% of the Lakeside contestants win.
a. If a winner is chosen at random, what is the probability that they are from Lakeside?
b. What percentage of the winners are from Pylesville?
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Finite Mathematics & Its Applications (12th Edition)
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