Find (A) the First Term (B) the Common Ratio (C)

question 31

Short Answer

Find (a) the first term (b) the common ratio (c) the 12th term (d) the sum of the first 12 terms 2, 4, 8, 16, 32, . . .

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Definitions:

Single-Index Structure

A model that describes the returns of stocks based on a singular market index, explaining stock movements with overall market movements.

Covariances

A measure of the degree to which two variables move in relation to each other.

Mean-Variance Efficient

A portfolio construction strategy that aims to achieve the highest expected return for a given level of risk by optimizing the mix of investments.

Expected Returns

The anticipated return on an investment, based on historical averages or statistical analyses.