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OpenStudy (anonymous):

n the book A Guide to the Development and Use of the Myers-Briggs Type Indicators by Myers and McCaully, it was reported that approximately 45% of all university professors are extroverted. Suppose you have classes with three different professors. (a) What is the probability that all three are extroverts? (Round your answer to three decimal places.) (b) What is the probability that none of your professors is an extrovert? (Round your answer to three decimal places.)

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