If Samples Are from a Normal Distribution with μ =

question 131

Multiple Choice

If samples are from a normal distribution with μ = 100 and σ = 10, we expect:

• A)about 68 percent of the data within 90 to 110.
• B)almost all the data within 80 to 120.
• C)about 95 percent of the data within 70 to 130.
• D)about half the data to exceed 75.

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Definitions:

Union Membership

The total number of workers who are members of labor unions, organizations that represent workers' interests, particularly concerning wages, working conditions, and benefits.

Industrial Union

A labor union organizing method where all workers in the same industry are organized into the same union, regardless of differences in skills.

Craft Union

A labor union of workers who practice the same craft or trade, aimed at securing better wages, hours, and working conditions.

Trade Association

An organization founded and funded by businesses that operate in a specific industry to promote and protect their common interests.