Mathematics, 04.12.2020 16:50 tiffg3140

A psychiatrist wants to determine if a small amount of alcohol changes the reaction time in adults. The mean reaction time for a specified test is 0.20 seconds with a population standard deviation of .08 seconds. A sample of 64 people were given a small amount of alcohol and their reaction time averaged 0.17 seconds. (Assume alpha = 5%. If applicable, t97.5 = 2.00)

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