Under the Social Security System, a Worker Is Considered Disabled

question 39

True/False

Under the social security system, a worker is considered disabled when a severe physical or  mental impairment prevents that person from working for a year or more or is expected to  result in the victim's death.

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Definitions:

Probability

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Student T Random Variable

A variable that follows the Student's t-distribution, often used in the context of small sample sizes when the population variance is unknown.

Variance

The average of the squared differences from the mean, showing the spread between numbers in a data set.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, typically in the context of parameter estimation or hypothesis testing.