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The speed limit of a road is 65 miles per hour. The speed of a car...

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The speed limit of a road is 65 miles per hour. The speed of acar on the highway follows a normal distribution with a mean of 70and standard deviation of 5. What percent of the distributionbreaks the speed limit?

The speed limit of a road is 65 miles per hour. The speed of acar on the highway follows a normal distribution with a mean of 70and standard deviation of 5. A police officer will only react tospeeding if the person is going 3 standard deviations above theaverage (z = 3). What is the speed at which he will react?

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SolutionGivenThe speed of a car on the highway follows anormal distribution with a mean of 70 and standard deviation of5The speed    See Answer
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