MATH(ENGLISH)A certain company decided to save money by buying discount computer network servers.Each of the 10 servers has a probability of running well 91% of the time.What is the probability of at least one of the servers working well?(to 2 de

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MATH(ENGLISH)A certain company decided to save money by buying discount computer network servers.Each of the 10 servers has a probability of running well 91% of the time.What is the probability of at least one of the servers working well?(to 2 de
MATH(ENGLISH)
A certain company decided to save money by buying discount computer network servers.Each of the 10 servers has a probability of running well 91% of the time.What is the probability of at least one of the servers working well?(to 2 decimal places)

MATH(ENGLISH)A certain company decided to save money by buying discount computer network servers.Each of the 10 servers has a probability of running well 91% of the time.What is the probability of at least one of the servers working well?(to 2 de
first calculate the probability of all servers are not running well,it is
0.09^10
the probability of at least one working well is
1-0.09^10
仅供参考,统计的东东早忘了,不太确定.

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