Find the Minimum Sample Size Required to Estimate a Population

question 15

Essay

Find the minimum sample size required to estimate a population proportion p .
-Margin of error: three percentage points; confidence level: 90%; from a prior study, is estimated by the decimal equivalent 60.7%

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Definitions:

Capital Allocation Line

A line on a graph that represents the risk-return trade-off of investments, showing the rates of return for efficient portfolios depending on the risk-free rate and the market risk.

Standard Deviation

A statistical measure of the dispersion or variability of a set of data points from their mean, used in finance to gauge the volatility of investment returns.

Expected Rate

The anticipated return on an investment, taking into account various factors like market trends, risk level, and past performance.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables.