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Alchen [17]
2 years ago
5

A portfolio is composed of two stocks, A and B. Stock A has a standard deviation of return of 23%, while stock B has a standard

deviation of return of 29%. Stock A comprises 70% of the portfolio, while stock B comprises 30% of the portfolio. If the variance of return on the portfolio is 0.042, the correlation coefficient between the returns on A and B is _________. Multiple Choice 0.088 0.304 0.213 0.091
Business
1 answer:
VARVARA [1.3K]2 years ago
4 0

Answer:

0.304

Explanation:

The calculation has been done step by step in order to understand the final result. Note that (p) in the below working refers to the correlation coefficient between Stock A and B.

0.042 = (0.70^2)(0.23^2) + (0.30^2)(0.29^2) + 2(0.70)(0.30)(0.23)(0.29)p

0.042 = 0.0259 + 0.0076 + 0.028p

0.042 = 0.0335 + 0.028p

0.042 - 0.0335 = 0.028p

0.0085 = 0.028p

p = 0.0085 / 0.028

p = 0.304

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