A Random Sample of 42 College Graduates Revealed That They

question 79

Multiple Choice

A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The population standard deviation was 1.1 years. Using the 0.99 degree of confidence, what is the confidence interval for the population mean?

• A) 5.04 and 5.96
• B) 5.06 and 5.94
• C) 2.67 and 8.33
• D) 4.40 and 6.60

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Definitions:

Building-Related Illness

An illness caused by exposure to the built environment, often related to inadequate ventilation, airborne pollutants, or mold, leading to specific health symptoms among building occupants.

Wellness Programs

Initiatives offered by employers to improve the health and well-being of their employees, often including physical fitness, mental health support, and nutritional advice.

Safety Competencies

Essential knowledge, skills, and attitudes required to perform tasks safely and effectively, minimizing risks and preventing accidents in the workplace.

Repetitive Strain Injuries

Physical injuries caused by repeated motion or strain on specific parts of the body, often associated with workplace activities or computer use.