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The mean of a normal distribution is 400 pounds. The standard deviation is 10 pounds. What is the probability of a weight between 415 pounds and the mean of 400 pounds?
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A persistent condition marked by excessive daytime sleepiness and unexpected bouts of slumber.
Operational Definition
A clear, precise description of a variable in terms of the procedures or operations used to measure or manipulate it.
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A chronic condition characterized by a physical and psychological dependence on alcohol, often leading to significant health and social problems.
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