A Random Sample of 60 Business Students Required an Average

question 17

Multiple Choice

A random sample of 60 business students required an average of 50.7 minutes to complete a statistics exam. Assume that the population standard deviation to complete the exam was 10.4 minutes. The 98% confidence interval around this sample mean is____ .

• A)(47.6, 53.8)
• B)(45.4, 56.0)
• C)(49.8, 51.6)
• D)(48.9, 52.5)

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Definitions:

Legislators and Government Officials

Elected or appointed individuals who are responsible for making and enforcing laws, and managing public policy and services.

Interest Groups

Organizations that attempt to influence public policy and government decisions in favor of their specific interests or causes.

Tax Reform Organizations

Groups that advocate for changes in tax policy and legislation to promote fairness, efficiency, and economic growth.

Labor Unions

Organized associations of workers formed to protect and advance their members' interests in terms of wages, benefits, and working conditions.