Which of These Statements Is a Property of the Probability

question 101

Multiple Choice

Which of these statements is a property of the probability distribution for a discrete random variable x ?

• A) The probabilities must be nonnegative.
• B) The probabilities must sum to 1.
• C) The random variable must take on positive values between 0 and 1.
• D) Both (a) and (b) are true.

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Definitions:

Single Union

A term referring to a situation where only one labor union represents the employees of a particular company or workplace.

Unionism Rate

The percentage of workers in a particular sector or industry that are members of labor unions.

Newfoundland

An island off the northeast coast of North America, and one of the provinces of Canada, known for its rugged coastline and unique culture.

Labour Unions

Organizations that represent the collective interests of workers in negotiations with employers regarding wages, working conditions, and benefits.