# Question: Suppose the waiting time to get food after placing an

Suppose the waiting time to get food after placing an order at a fast- food restaurant is exponentially distributed with a mean of 60 seconds. If a randomly selected customer orders food at the restaurant, what is the probability that the customer will wait at least:

a. 90 seconds?

b. Two minutes?

a. 90 seconds?

b. Two minutes?

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