Question: Calls arrive at a switchboard with a mean of one every 17 seconds. What is the exponential probability that it will take more than 27

Calls arrive at a switchboard with a mean of one every

Calls arrive at a switchboard with a mean of one every 17 seconds. What is the exponential probability that it will take more than 27 seconds for the next call to arrive? Multiple Choice 0.5882 0,2043 0.7957 11765

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