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Instruction 8-9
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 Instruction 8-9,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.
External Failure Cost
External failure costs are expenses incurred when products or services fail to meet quality standards after being delivered to the customer, including returns, repairs, and lost sales.
Value-Added
The enhancement a company gives its product or service before offering the product to customers, increasing its value.
Non-Value-Added
Activities or processes that consume resources but do not add value to the product or service from the customer's perspective.
Total Lead Times
The aggregate time taken from the initiation of a process until its completion, often used in manufacturing to describe the period from ordering materials to the final product delivery.
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