Mathematics, 25.02.2020 16:22 estermartinez
When a survey calls residential telephone numbers at random, only 40% of the calls reach a live person. You watch the random dialing machine make 20 calls.
(a) What is the probability that exactly 3 calls reach a person? (Use 3 decimal places.)
(b) What is the probability that 3 or fewer calls reach a person? (Use 3 decimal places.)
Answers: 2
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Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other peopleās work? b.) have you ever taken credit for somebody elseās work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody elseās work? d.) donāt you think it is unethical to take credit for somebody elseās work?
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When a survey calls residential telephone numbers at random, only 40% of the calls reach a live pers...
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