Mathematics, 14.07.2020 02:01 whatnowb
A county is considering raising the speed limit on a road because they claim that the mean speed of vehicles is greater than 45 miles per hour. A random sample of 25 vehicles has a mean peed o 48 miles per our and a standard deviation of 255 miles. What is the sample statistic?
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A county is considering raising the speed limit on a road because they claim that the mean speed of...
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