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Homework answers / question archive / A public interest group hire students to solicit donations by telephone
A public interest group hire students to solicit donations by telephone. After a brief training period student make calls to potential donors and are paid on a commission basis. Experience indicates that early on these students tend to have only modest success and that 70% of them give up their jobs in their first 2 weeks of employment.The group hires six students, which can be viewed as a random sample.a. What is the expected number of students that will give up in the first 2 weeks of employment?b. What is the probability that exactly five of the six will give up in the first 2 weeks? c. What is the probability that at least two of the six will give up in the first 2 weeks?d. What is the probability that at least three of the six will not give up in the first 2 weeks?
