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Time between customers entering the store

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At a small store, a customer enters the front door on average every 8 minutes. A prior study indicated that the time between customers entering the front door during week days follows an exponential distribution. What is the probability that the time between customers entering the store on a weekday will be less than or equal to 7? Can you tell me how to calculate this in R please?

Reference no: EM132483537

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