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Statistical Applications

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Experience suggests that spot speeed data at a given location is normally distributed whith a mean of 56 mph and a standard deviation of 7.6 mph. What is the speed below which 85% of the vehicles are traveling?

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The expert examines statistical applications for the speed of vehicles. A complete, neat and step-by-step solution is provided.

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m = 56 mph, s = 7.6 mph

We want area under the standard normal ...

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