Mathematics, 30.03.2020 22:56 jayjay5246

There is a construction zone on a highway. The speeds of vehicles passing through this construction zone are normally distributed with a mean of 46 mph and a standard deviation of 4 mph. Suppose that you want to make a speed limit such that only about 10% of the vehicles passing through this zone exceed the speed limit of x mph hour. What should be the speed limit (rounded to the nearest integer)?

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