What Is the Standard Deviation of a Portfolio Which Is

question 107

Multiple Choice

What is the standard deviation of a portfolio which is invested 20% in share A,30% in share B and 50% in share C?
$\begin{array}{|l|l|l|l|l|} \hline& & \begin{array}{l}\text { Returns if } \\\text { State } \\\text { Occurs }\end{array}& &{} \\\hline \text { State of Economy } & \text { Probability of State of Economy } & \text { ShareA } & \text { ShareB } & \text { Share C } \\\hline \text { Boom } & 10 \% & 15 \% & 10 \% & 5 \% \\\hline \text { Normal } & 70 \% & 9 \% & 6 \% & 7 \% \\\hline \text { Recession } & 20 \% & -14 \% & 2 \% & 8 \%\\\hline\end{array}$

• A)0.6%
• B)0.9%
• C)1.8%
• D)2.2%
• E)4.9%

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Definitions:

Economic Life

The estimated period over which an asset is expected to be economically useful to its owner or the duration it can generate revenue, beyond which it is not cost-effective to operate.

Warranty

A guarantee, typically from a manufacturer or seller, promising to repair or replace defective goods within a specified time period.

Lease Liability

A financial obligation representing the present value of future lease payments that a lessee is required to make under a lease agreement.

Discount Rate

The interest rate used in discounted cash flow (DCF) analysis to present value future cash flows, or in the context of bond investments, it is the interest rate used by investors to compare different bond issues.