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February 20, 2017
Total # Posts: 1

**xiamen university**

The probability that a person catches a cold during the cold and flu season is 0.62. Assume that 5 people are chosen at random. A) What is the probability that exactly four of them will catch a cold? B) What is the probability that three or more of them will catch a cold? C) ...

*October 28, 2012*

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**1**