Question: The actual delivery time from Giodannis Pizza is exponentially distributed with a mean of 25 minutes. a. What is the probability that the delivery time

The actual delivery time from Giodanni’s Pizza is exponentially distributed with a mean of 25 minutes. 

a. What is the probability that the delivery time will exceed 30 minutes? 

b. What proportion of deliveries will be completed within 20 minutes?

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