What is the probability that in a 10 minutes period more

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A new phone answering system is capable of handling 6 calls every 10 minutes. Prior to installing the new system, company analyst determinated that the incoming calls to the system are Poisson distributed with a mean equal to four every 10 minutes. If this incoming call distribution is that the analyst think it is, what is the probability that in a 10 minutes period more calls will arrive than the system can handle? Based on this probability, comment on the adequacy of the new answering system.

Reference no: EM13616302

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