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Mathematics, 10.03.2020 00:55 arissahyp73x7x
In the past few years, outsourcing overseas has become more frequently used than ever before by U. S. companies. However, outsourcing is not without problems. A recent survey by Purchasing indicates that 20% of the companies that outsource overseas use a consultant. Suppose 15 companies that outsource overseas are randomly selected.
(a) What is the probability that exactly five companies that outsource overseas use a consultant?
(b) What is the probability that more than nine companies that outsource overseas use a consultant?
(c) What is the probability that none of the companies that outsource overseas use a consultant?
(d) What is the probability that between four and seven (inclusive) companies that outsource overseas use a consultant?
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