Determine combined portfolio standard deviation

Reference no: EM1363827

If the correlation between D and E are o.5 and D has a standard deviation of 0.4 and E has a standard deviation of 0.6, determine combined portfolio standard deviation if you put 40% in D?

I could get the answer, however, I am thrown by the addition of the fact that 40% gets put into D, and 60% would go into E.

Reference no: EM1363827

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