The Best Way to Care for Your Back Is to Prevent

question 45

Multiple Choice

The best way to care for your back is to prevent back injuries. All of the following are some ways to prevent back injuries, except

• A) carefully lifting heavy objects overhead.
• B) using good posture.
• C) using the legs to lift, not the back.
• D) asking for assistance when a load is too heavy.

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Definitions:

Expected Value

The projected value of a variable, calculated as an average weighted by probabilities in statistical analysis.

Expected Monetary Value

A statistical technique to calculate the average outcome when the future includes scenarios that may or may not happen.

State of Nature Node

A decision analysis tool used to represent possible future events or outcomes in decision making under uncertainty.

State of Nature

A term used in decision theory and statistics to describe possible outcomes in a situation which are not under the control of the decision-maker.