Consider the Following to Answer the Question(s) Below

question 36

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.

-For more accurate cost determination, ABI Insurance wants to estimate the average life expectancy to within one year with 95% confidence. How many randomly selected recently paid policies would they need to sample?

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Definitions:

Facility-Level Activity

Operations and actions at the plant or facility level that are necessary for production but not tied to specific units produced.

Batch-Level Activity

Operations or tasks that are performed for each batch of goods produced, irrespective of the overall production volume.

Direct Labour-Hours

The total hours of labor directly involved in production, used to allocate costs or measure productivity.

Traditional Costing System

A cost allocation system that assigns costs to products based on an average overhead rate, without the detailed processes of activity-based costing.