Question
HELLO! PLEASE I NEED HELP WITH THE LAST 3 THANK YOU :)!!! Suppose approximately75%of all marketing personnel are extroverts, whereas about60%of all computer programmers are
HELLO! PLEASE I NEED HELP WITH THE LAST 3 THANK YOU :)!!!
Suppose approximately75%of all marketing personnel are extroverts, whereas about60%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? .852
What is the probability that 5 or more are extroverts?
1
What is the probability that all are extroverts?
,013
(b)In a group of5computer programmers, what is the probability that none are introverts?
What is the probability that3or more are introverts?
What is the probability that all are introverts?
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