SOLUTION: Suppose approximately 80% of all marketing personnel are extroverts, whereas about 55% of all computer programmers are introverts. (For each answer, enter a number. Round your answ
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Question 1161739: Suppose approximately 80% of all marketing personnel are extroverts, whereas about 55% of all computer programmers are introverts. (For each answer, enter a number. Round your answers to three decimal places.)
(a) At a meeting of 15 marketing personnel, what is the probability that 10 or more are extroverts?
What is the probability that 5 or more are extroverts?
What is the probability that all are extroverts?
(b) In a group of 4 computer programmers, what is the probability that none are introverts?
What is the probability that 2 or more are introverts?
