Exhibit 81

question 86

Multiple Choice

Exhibit 8.1.The ages of MBA students at a university are normally distributed with a known population variance of 10.24.Suppose you are asked to construct a 95% confidence interval for the population mean age if the mean of a sample of 36 students is 26.5 years. Refer to Exhibit 8.1.What is the margin of error for a 95% confidence interval for the population mean?

• A)1.645(3.20/6)
• B)1.645(10.24/6)
• C)1.96(3.20/6)
• D)1.96(10.24/6)

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Definitions:

Project

A temporary endeavor undertaken to create a unique product, service, or result, often within constraints of time, quality, and budget.

Annual Return

The percentage change in an investment's value over a one-year period, including dividends and interest.

Future Value

The value of an investment at a specified date in the future, taking into account factors like compound interest or returns.

Ordinary Annuity

A sequence of identical disbursements occurring at successive intervals for a set duration.