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SCENARIO 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.
-True or False: Referring to Scenario 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.
Intestinal Lipase
An enzyme produced in the intestine that breaks down fats into fatty acids and glycerol during digestion.
Fats
Nutrient-rich substances composed mainly of fatty acids and glycerol, important for energy storage, cell structure, and absorption of vitamins.
Secretes Acid
Refers to the process by which certain cells or glands in the body produce and release acid, such as the gastric glands in the stomach that secrete hydrochloric acid for digestion.
Digestive System
A group of organs responsible for the breakdown and absorption of food, and the elimination of waste.
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