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TABLE 8-3
To become an actuary, it is necessary to pass a series of 10 exams, including the most important one, an exam in probability and statistics. An insurance company wants to estimate the mean score on this exam for actuarial students who have enrolled in a special study program. They take a sample of 8 actuarial students in this program and determine that their scores are: 2, 5, 8, 8, 7, 6, 5, and 7. This sample will be used to calculate a 90% confidence interval for the mean score for actuarial students in the special study program.
-Referring to Table 8-3, for the confidence interval to be valid, it is necessary that test scores of students in the special study program on the actuarial exam be normally distributed.
Indirect Expense
Costs that are not directly attributable to a specific product or service, such as utilities or administrative salaries.
Rent
A periodic payment made by a tenant to a landlord in exchange for the use of land, a building, or other property.
Contribution Margin
The difference between sales revenue and variable costs, indicating how much revenue contributes to fixed costs and profits.
Gross Sales
The total amount of sales generated by a business before any deductions like returns, discounts, and allowances.
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