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.

---

Definitions:

Prefrontal Association Cortex

A region of the frontal lobes involved in planning complex cognitive behaviors, personality expression, decision making, and moderating social behavior.

Posterior Parietal Cortex

An area of the brain located at the back of the parietal lobe, involved in integrating sensory information and in the coordination of movements.

Syntax

Sets of rules for putting together words; proposed to be unique to human language.

Visual Area V4

A region of the brain within the visual cortex that processes color perception and is involved in recognizing shapes and objects.