Raybrooks Co. stock has an annual return mean and standard deviation of 12 perce
ID: 2658194 • Letter: R
Question
Raybrooks Co. stock has an annual return mean and standard deviation of 12 percent and 29 percent, respectively. Joi, Inc., stock has an annual return mean and standard deviation of 13 percent and 32 percent, respectively.
Your portfolio allocates equal funds to the Raybrooks Co.and Joi, Inc., stocks.
The return correlation between Raybrooks Co. and Joi, Inc., is 0.2. What is the smallest expected loss, in percentages, for your portfolio in the coming month with a probability of 2.5 percent?
(Note: Use 1.96 as the multiple in your probability statement.)
PLEASE SHOW ALL WORK
Explanation / Answer
E(R) = [0.12 + 0.13] / 2 = 0.125
? = [(0.52 x 0.292) + (0.52 x 0.322)]1/2
= [0.0210 + 0.0256]1/2
= 0.0466251/2 = 0.2159
Prob(R ? 0.125 – 1.960(0.2159)) = 2.5%
Prob(R ? –0.2982) = 2.5%
Smallest Expected Loss = -29.82%
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