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The speed of cars on a stretch of road is normally distributed with an average 48 miles per hour with a standard deviation of 5.9

The speed of cars on a stretch of road is normally distributed with an average 48 miles per hour with a standard deviation of 5.9 miles per hour. What is the probability that a randomly selected car is violating the speed limit of 50 miles per hour?

.48

.63

.37

.21

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