The Sampling Distribution of the Population Proportion Is Based on a Binomial

question 123

Multiple Choice

The sampling distribution of the population proportion is based on a binomial distribution. What condition must be met to use the normal approximation for the confidence interval?

• A) n ≥ 30
• B) n ≥ 5
• C) n ≥ 5 and n(1 - ) ≥ 5
• D) np ≥ 5 and n(1 - p) ≥ 5

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Definitions:

Labor Unions

Organizations representing workers in various industries, advocating for better wages, working conditions, and benefits for their members.

Non-Unionized Industries

Sectors of the economy where the workforce is not part of a labor union or covered by a collective bargaining agreement.

Recession

A phase of short-term economic downturn marked by decreased business and manufacturing operations, typically recognized by a decline in Gross Domestic Product for two consecutive quarters.

Efficiency-Wage Theory

The concept that employers may pay a higher wage than the market equilibrium to increase worker productivity, loyalty, and satisfaction, thereby reducing turnover and shirking.