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:

Proximal Convoluted Tubule

Part of the nephron that extends from the glomerulus to the descending limb of the loop of Henle.

Collecting Duct

Straight tubule that extends from the cortex of the kidney to the tip of the renal pyramid. Filtrate from the distal convoluted tubes enters the collecting duct and is carried to the calyces.

Excretory Organ

Organs involved in the removal of waste products and excess substances from the body, including kidneys, liver, lungs, and skin.

Glomerular Endothelium

The inner lining of the glomerulus in the kidney, involved in the filtration of blood to form urine.