Question: AAPL and GOOG's covariance is 0.0288. AAPL has expected return of 12% and standard deviation of 18%. GOOG has expected return of 10% and standard

AAPL and GOOG's covariance is 0.0288.

AAPL has expected return of 12% and standard deviation of 18%.

GOOG has expected return of 10% and standard deviation of 40%.

What is the standard deviation of a portfolio that contains 50% of each stock?

21.93%

23.52%

55.17%

25%

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