What is the probability that 5 or more are extroverts

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Suppose approximately 75% of all marketing personnel are extroverts, whereas about 50% of all computer programmers are introverts. (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?

What is the probability that all are introverts?

Reference no: EM132461979

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