What Is the Standard Deviation of an Equally Weighted Portfolio

question 45

Multiple Choice

What is the standard deviation of an equally weighted portfolio of two stocks with a covariance of 0.009, if the standard deviation of the first stock is 15% and the standard deviation of the second stock is 20%?

• A) 2.0%
• B) 2.1%
• C) 7.8%
• D) 14.2%
• E) 14.7%

---

Definitions:

Mark-up

The difference between the cost of a good or service and its selling price, expressed as a percentage of the cost.

Selling Price

The price at which a product or service is sold to customers, determining the revenue generated from sales.

Retailer's Cost

The price a retailer pays to procure goods for sale, not including additional expenses like marketing or distribution.

Mark-up

The amount added to the cost price of goods to cover overhead and profit, resulting in the retail price.