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A highway study of 1...
Mathematics, 19.03.2021 18:10 guyfromnasa
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A highway study of 15,000 vehicles that passed by a checkpoint found that their speeds were normally distributed with a
mean of 59 mph and a standard deviation of 6 mph. How many of the vehicles had speeds greater than 65 mph?
A 9,900
B 5,100
C 375
D 2,400
Answers: 3
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