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Mathematics, 20.10.2021 03:00 palmekar000
Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 4 miles per hour. estimate the percent of vehicles whose speeds are between 62 miles per hour and 78 miles per hour. (assume the data set has a bell-shaped distribution.)
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Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 mile...
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