The waiting time before a caller is able to speak to a customer service representative at Chase Bank is exponentially distributed, with an average waiting time of 2.5 minutes.How likely is it that a caller will wait less than 2 minutes?
A).4867
B).5982
C).5506
D).4356
E).5289

Question

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The Answer of The waiting time before a caller is able to speak to a customer service representative at Chase Bank is exponentially distributed, with an average waiting time of 2.5 minutes.How likely is it that a caller will wait less than 2 minutes?
A).4867
B).5982
C).5506
D).4356
E).5289

The Waiting Time Before a Caller Is Able to Speak