A person has the following information about their portfolio:

• Stock A: 30% of the portfolio, expected return of 12%, and standard deviation of 18%
• Stock B: 50% of the portfolio, expected return of 10%, and standard deviation of 12%
• Stock C: 20% of the portfolio, expected return of 8%, and standard deviation of 10%

Calculate the expected return and standard deviation of the person's portfolio.

Answer rating: 100% (QA)

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