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Here are returns and standard deviations for four investments. Return (%) Standard Deviation (%) Treasury bills 5.0 0 Stock P 8.0 15 Stock Q 16.0
Here are returns and standard deviations for four investments.
Return (%) | Standard Deviation (%) | |
---|---|---|
Treasury bills | 5.0 | 0 |
Stock P | 8.0 | 15 |
Stock Q | 16.0 | 29 |
Stock R | 21.0 | 26 |
Calculate the standard deviations of the following portfolios.
- 50% in Treasury bills, 50% in stock P.
- 50% each in Q and R, assuming the shares have:
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