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sleepqueen
28.08.2019 •
Mathematics
Although dominick's psychology class is sometimes longer or shorter than usual, on average each class is 50 minutes. if the lengths of these classes form a normal curve, which statistic would enable dominick to estimate the probability that any single class will last somewhere between 47 and 53 minutes?
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Ответ:
Circumference of the tire:
PI x diameter = 3.14 x 26 = 81.6814 Round to 81.68
Speed of the car in inches per minute:
46*5280*12/60 = 48576 inches per minute
48576/81.68 = 594.711
Round to 594.71 revolutions per minute