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Which one of the following portfolios cannot lie on the efficient frontier as described by Markowitz?PortfolioExpected ReturnStandard DeviationA10%12%B5%7%C15%20%D12%25%

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Which one of the following portfolios cannot lie on the efficient frontier as described by Markowitz?

Portfolio

Expected Return

Standard Deviation

A

10%

12%

B

5%

7%

C

15%

20%

D

12%

25%

Only portfolio D cannot lie on the efficient frontier.

Only portfolio A cannot lie on the efficient frontier.

Cannot tell from the information given.

Only portfolio B cannot lie on the efficient frontier.

Only portfolio C cannot lie on the efficient frontier.

Giải thích

Chọn đáp án A