Stocks L, M, and N each have the same expected returns and s…

Stocks L, M, and N each have the same expected returns and standard deviation. The correlation coefficients between the each pair of these stocks are as follows: L and M correlation = -0.80; L and N correlation = + 0.20; M and N correlation = -0.40. Given these correlations, a portfolio constructed of which pairs of stocks will have the lowest standard deviation?