Suppose that a marketing research firm sends questionnaires to two different companies. Based on historical evidence, the
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a. What is the probability that both questionnaires are returned?
b. What is the probability that neither of the questionnaires is returned?
c. Now, suppose that this marketing research firm sends questionnaires to ten different companies. Assuming that each company, independently of the others, returns its completed questionnaire with probability 0.40, how do your answers to parts a and b change?
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Data Analysis And Decision Making
ISBN: 415
4th Edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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