A Sample of N = 49 Is Drawn at Random

question 42

Multiple Choice

A sample of n = 49 is drawn at random from a population with a μ = 78 and a σ = 14. What is the probability that the sample mean will be 82 or higher?

• A) .3859
• B) .9772
• C) .0228
• D) .6141

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Definitions:

Right-to-work Laws

Legislation that prohibits unions from requiring union membership as a condition of employment.

Union Membership

The status of being a member of a labor union, which is an organization that represents workers' interests to employers, particularly concerning wages and working conditions.

Wage

The price paid for the use or services of labor per unit of time (per hour, per day, and so on).

Salary Workers

Individuals who receive a fixed regular payment, often monthly, from their employer, regardless of the number of hours worked.