Concept explainers
In Exercises 1–22, use Bayes’ theorem to calculate the probabilities.
Bilingual Employees A multinational company has five divisions: A, B, C, D, and E. The percentage of employees from each division who speak at least two languages fluently is shown in Table 8.
Table 8 |
||
Division |
Number of Employees |
Percentage of Employees Who Are Bilingual |
A B C D E Total |
20,000 15,000 25,000 30,000 10,000 100,000 |
20 15 12 10 10 |
(a) Find the probability that an employee selected at random is bilingual.
(b) Find the probability that a bilingual employee selected at random works for division C.
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