2013-Quiz 1 - Name Statistical Analysis Quiz 1(15 points Instructions This is an open book quiz You have 15 minutes to complete the quiz To get full

2013-Quiz 1 - Name Statistical Analysis Quiz 1(15 points...

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Name: _______________________________ Statistical Analysis Quiz 1 (15 points) Instructions This is an open book quiz. You have 15 minutes to complete the quiz. To get full credit for each question, please provide your reasoning and justification, NOT only the result. SECTION F4 1. 60% of all students at a given university are female. 30% of all students eat in the university cafeteria. 40% of the male students eat in the cafeteria. a. What percent of students are female and don’t eat in the cafeteria ? (2 points) b. What is the probability that one randomly selected student will be either a male or eats in the cafeteria ? (2 points). c. Are the events “female ” and “eating in the cafeteria” independent? Please justify your answer (2 points).
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2. Four small companies that are managed by one large company were being evaluated for their performance. As a part of quality improvement initiative, employee satisfaction was measured. a. If your friend works for any of these companies, what is the probability that he is satisfied working there? (3 points) b.
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