A restaurant announces that an order can be completed in 25 minutes. Assume that the time it takes for an order to be ready for a customer to be distributed exponentially with an average of 25 minutes.

a. What is the chance that an order will be ready in 19 minutes?

b. If a customer arrives 30 minutes after placing an order, what are the chances that the order is not ready for the customer to pick up?

c. Give the MINITAB output for the answers to part (a) and part (b).

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