Are marketing personnel extroverts

Assignment Help Basic Statistics

Reference no: EM13102720

Approximately 65% of all marketing personnel are extroverts, whereas about 50% of all computer programmers are introverts.

At a meeting of 10 marketing personnel, what is the probability that 11 or more are extroverts? (Use 3 decimal places.)

What is the probability that 6 or more are extroverts? (Use 3 decimal places.)

What is the probability that all extroverts? (Use 3 decimal places.)

(b) In a group of 4 computer programmers, what is the probability that none are introverts? (Use 3 decimal places.)

What is the probability that 2 or more are introverts? (Use 3 decimal places.)

What is the probability that all are introverts? (Use 3 decimal places.)

Reference no: EM13102720

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