A random sample of adult reaction times has a sample mean of 394 3 milliseconds...
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A random sample of adult reaction times has a sample mean of 394 3 milliseconds and a sample standard deviation of s 84 6 milliseconds Use the Empirical Rule to determine the approximate percentage of adult reaction times that lie between 140 5 and 648 1 milliseconds Round your answer to the nearest tenth Provide your answer below
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