Find the Mean of the Given Probability Distribution $\begin{array}{c|r}\mathrm{x} & \mathrm{P}(\mathrm{x}) \\\hline 0 & 0.1296 \\1 & 0.3456 \\2 & 0.3456 \\3 & 0.1536 \\4 & 0.0256\end{array}$

question 61

Multiple Choice

Find the mean of the given probability distribution.
-In a certain town, 40% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree.

$\begin{array}{c|r}\mathrm{x} & \mathrm{P}(\mathrm{x}) \\\hline 0 & 0.1296 \\1 & 0.3456 \\2 & 0.3456 \\3 & 0.1536 \\4 & 0.0256\end{array}$

• A) \(\mu = 2.00\)
• B) \(\mu = 1.50\)
• C) \(\mu = 1.60\)
• D) \(\mu = 1.73\)

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Definitions:

Excess Returns

The return on an investment that exceeds a benchmark or risk-free rate, indicating the additional compensation for taking on risk.

Passive Fixed-income Indexes

Indexes that track a set of fixed-income securities, used as benchmarks for passive bond investment strategies.

Actively Managed Bond Funds

Bond investment funds where fund managers actively make decisions on buying and selling bonds to outperform the market or reach specific investment goals.

Efficient Market Hypothesis

A theory stating that financial markets are “informationally efficient,” meaning prices fully reflect all available information.