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A professor commutes daily from her suburban home to her campus office. The average time for...

A professor commutes daily from her suburban home to her campus office. The average time for a one-way trip is 20 minutes, with a standard deviation of 5 minutes. Assume the distribution of trip times to be normally distributed. If she leaves the house at 9:00 am and coffee is served at the office from 9:10 am until 9:20 am, what is the probability that she arrives to the office after coffee has finished being served?

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TOPIC: Use of the Normal distribution.

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