Multiple Choice
A stock portfolio consists of two stocks X and Y. Their daily closing prices are independent random variables with standard deviations σX = 2.51 and σY = 5.22. What is the standard deviation of the sum of the closing prices of these two stocks?
A) 33.55
B) 6.48
C) 7.73
D) 5.79
Correct Answer:
Verified
Correct Answer:
Verified
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