Mathematics, 13.09.2021 20:30 azertyqwerty123

. Suppose that vehicle speed on a bridge can be modeled as normally distributed. a. If 5% of all vehicles travel less than 39.12 km/h and 10% travel more than 73.24 km/h, what are the mean and standard deviation of vehicle speed? b. What is the probability that a randomly selected vehicle’s speed is between 50 km/h and 65 km/h? c. What is the probability that a randomly selected vehicle’s speed exceeds the speed limit of 70 km/h?

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. Suppose that vehicle speed on a bridge can be modeled as normally distributed. a. If 5% of all veh...

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