The Shelf Life of a Battery Produced by One Major

question 10

Multiple Choice

The shelf life of a battery produced by one major company is known to be normally distributed, with a mean life of 3.5 years and a standard deviation of 0.75 years. What range of years contains 68% of all battery shelf lives?

• A) 2 to 5 years
• B) 2.5 to 4.5 years
• C) 2.83 to 4.17 years
• D) 2.75 to 4.25

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Definitions:

Emotional Experiment

A psychological experiment designed to study the emotional responses and their underlying mechanisms in human beings or animals.

Physiological Aroused

A physical state of heightened alertness and readiness for action, often as a response to a stimulus, involving changes in heart rate, blood pressure, and muscle tension.

Physiological Reaction

Responses within the body to external stimuli, including changes in heart rate, hormone levels, or respiration.

Fear

A primal emotion experienced in anticipation of some specific pain or danger, often causing behavioral changes such as fleeing or hiding.