Mathematics, 22.04.2020 01:45, pinky1509
Fast-food restaurants spend much time studying the amount of time cars spend in their drive-thrus. Certainly, the faster the cars get service, the more opportunity for making money. According to a recent study by QSR magazine, Wendy’s has the best time, with a mean time spent in the drive thru of 138.5 seconds. Assuming drive-thru time is normally distributed with a standard deviation of 29 seconds, what proportion of cars spends between 120 and 180 seconds in Wendy's drive-thru? Write answer as decimal rounded to the thousandth.
Answers: 1
Mathematics, 21.06.2019 16:30, macenzie26
What could explain what happened when the time was equal to 120 minutes
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Fast-food restaurants spend much time studying the amount of time cars spend in their drive-thrus. C...
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