Examlex
On any given day,a salesman can earn $0 with a 20% probability,$100 with a 40% probability,or $300 with a 20% probability.Calculate the expected value and variance of his earnings,and interpret.
Excessive Drinking
The consumption of alcohol in amounts that are harmful to one's health or lead to behavior that is damaging to oneself or others.
Alcoholism
A chronic condition characterized by uncontrolled drinking and a preoccupation with alcohol, despite adverse effects.
Drinking Alcohol
The consumption of beverages containing ethanol, which can have various social, cultural, and physiological effects.
Pre-smoking Levels
Baseline levels of physiological or psychological measures before an individual starts smoking.
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