The Average Annual Return Over the Period 1886-2006 for Stocks

question 4

Multiple Choice

The average annual return over the period 1886-2006 for stocks that comprise the S&P 500 is 10%,and the standard deviation of returns is 20%.Based on these numbers,what is a 95% confidence interval for 2007 returns?

• A)-15%,25%
• B)-20%,40%
• C)-30%,50%
• D)-30%,40%
• E)-10%,30%

Identify signs, symptoms, and treatments for common geriatric diseases.

Appreciate the role of patient respect and dignity in geriatric care.

Know strategies for effective communication with elderly patients.

Understand the importance of comprehensive medical history taking in geriatric patients.

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Definitions:

Discrete Random Variable

A variable that takes on a finite or countably infinite number of values, each with a quantifiable probability.

Employees

Individuals who work for another person or organization in return for compensation.

Poisson Distribution

A statistical distribution describing the likelihood of a certain number of events taking place within a specific time or space interval, given that these events happen at a fixed average rate and are independent of the timing of the previous event.

Variance

A statistical measure that represents the degree of spread or dispersion of a set of data values around their mean.