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Question: 11 4 the amount of time that a patron spends...

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11. [4] The amount of time that a patron spends, upon entering a restaurant, waiting for a table, ordering a meal, and eating a meal varies according to a normal model with µX = 28.1 minutes and sX = 2.3 minutes.    The amount of time once the patron is finished with the meal to the time they exit the restaurant also varies according to a normal model with µY = 9.8 minutes and sY = 1.8 minutes. The two events are independent of each other.   What is the probability that a person spends a total of 45 minutes or more altogether in the restaurant? Use appropriate function notation to show your work.

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