Instruction 8-4 to Become an Actuary, It Is Necessary to Pass a Pass

question 176

Short Answer

Instruction 8-4
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 8-4,the mean of the sample is _________ ,while the standard deviation of the sample is _________ .

---

Definitions:

Natural Ecosystems

Communities of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

Introducing New Species

The act of bringing a species into an ecosystem where it does not naturally occur, potentially disrupting local ecosystems.

Population Change Curve

A graph that shows how the size of a population changes over time.