If you form a portfolio with 30% of your wealth in Stock X and 70% of your

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Question:

If you form a portfolio with 30% of your wealth in Stock X and 70% of your wealth in Stock Y, the portfolio’s standard deviation is:

A. Less than or equal to 5%
B. Is greater than 5% but less than or equal to 7.5%
C. Is greater than 7.5% but less than or equal to 10%
D. Is greater than 10% but less than or equal to 12.5%
E. Is greater than 12.5%