Consider the Following to Answer the Question(s) Below

question 31

Short Answer

Consider the following to answer the question(s) below:
Insurance companies track life expectancy information to assist in determining the cost of life insurance policies. Last year the average life expectancy of all policyholders was 77 years. ABI Insurance wants to determine if their clients now have a longer life expectancy, on average, so they randomly sample some of their recently paid policies. The insurance company will only change their premium structure if there is evidence that people who buy their policies are living longer than before. The sample has a mean of 78.6 years and a standard deviation of 4.48 years.

-Write the null and alternative hypotheses.

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Definitions:

Physical Dependence

A physiological state of adaptation to a specific psychoactive substance, characterized by the emergence of withdrawal symptoms when the substance is discontinued.

Hypnogogic Hallucination

Vivid, often bizarre sensory experiences that occur during the transition from wakefulness to sleep, typically not associated with pathological conditions.

Hypnopompic Illusion

Vivid and often bizarre sensory experiences that occur upon waking, between sleeping and full wakefulness.

Consciousness

Being capable of recognizing one's own presence, perceptions, cognitions, environment, and life encounters.