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Customers arrive at a rate of 72 per hour to my shop. What is the probability...

Customers arrive at a rate of 72 per hour to my shop. What is the probability of ?
customers arriving in 4 minutes? a) 5 customers, b) not more than 3 customers, c)
more than 3 customers. Give a pictorial representation of the same to validate your
answer.

Math   Statistics-And-Probability   
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