Life Tests Performed on a Sample of 13 Batteries of a New

question 4

Multiple Choice

Life tests performed on a sample of 13 batteries of a new model indicated: (1) an average life of 75 months, and (2) a standard deviation of 5 months.Other battery models, produced by similar processes, have normally distributed life spans.The 98% confidence interval for the population mean life of the new model is _________.

• A)63.37 to 86.63
• B)61.60 to 88.41
• C)71.77 to 78.23
• D)71.28 to 78.72
• E)79.86 to 81.28

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Definitions:

Sexual Addiction

A pattern of sexual behavior that is characterized by an obsessive engagement in sexual thoughts, urges, or behaviors, negatively impacting various aspects of life.

Patrick Carnes

An expert and author in the field of addiction and recovery, especially known for his work on sexual addiction.

Psychologists

Professionals specializing in the scientific study of the mind and behavior and in providing mental health care.

Necrophilia

A sexual attraction to or sexual acts involving corpses.