A company has 100 employees, 40 men and 60 women. There are 6 male executives. How many female executives should there be for gender and rank to be independent?
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DSE 2009 Question 35: Probability and Bayes' theorem
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A company has 100 employees, 40 men and 60 women. There are 6 male executives. How many female executives should there be for gender and rank to be independent? (A) 9 (B) 6 (C) 10 (D) 8
Probability and Bayes' theorem has come up 190 times in 7 exams since 2004.
What this question tests
This question is on Independence, part of Probability and Bayes' theorem in Statistics.
When one event tells you nothing about another, and how it differs from being mutually exclusive.
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Question from the DSE 2009 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.