Find the probability that four or more are introverts

Reference no: EM13127300

(a) Approximately 73% of all marketing personnel are extroverts, whereas about 55% of all computer programmers are introverts.

At a meeting of 16 marketing personnel, what is the probability that 11 or more are extroverts?

What is the probability that 6 or more are extroverts?

What is the probability that all extroverts?

(b) In a group of 6 computer programmers, what is the probability that none are introverts?

What is the probability that 4 or more are introverts?

What is the probability that all are introverts?

Reference no: EM13127300

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