Wendy's Drive-Through Fast-food restaurants spend quite a bit of time studying the amount of time cars spend
Question:
(a) What is the probability that a randomly selected car will get through Wendy's drive-through in less than 100 seconds?
(b) What is the probability that a randomly selected car will spend more than 160 seconds in Wendy's drive-through?
(c) What proportion of cars spends between 2 and 3 minutes in Wendy's drive-through?
(d) Would it be unusual for a car to spend more than 3 minutes in Wendy's drive-through? Why?
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a The standard normal random variable is We use the normal ...View the full answer
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