Mathematics, 07.03.2020 05:45 tonimgreen17p6vqjq

The speeds of cars on a road are approximately normally distributed with a mean μ=58 km/hr and standard deviation=4 km/hr.
(a) What is the probability that a randomly selected car is going between
62 and 67 km/hr?
Round your answer to four decimal places.

b)What fraction of all cars are going slower than
50 km/hr? Round your answer to three decimal places.

Answers: 2

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The speeds of cars on a road are approximately normally distributed with a mean μ=58 km/hr and stand...