You form a portfolio by buying \\( \\$ 42162 \\) of Microsoft stock, and \\( \\$ 39273 \\) of Apple stock. Microsoft stock has a standard deviation of 39 hand Apple stock has a standard devation of \31, and they have a correlation of 0.23 . What is the standard deviation of your portiolo? Pleare gne your answers to two decimal places (9.994) You form a portfolio by buying \\( \\$ 42162 \\) of Microsoft stock, and \\( \\$ 39273 \\) of Apple stock. Microsoft stock has a standard deviation of 39 hand Apple stock has a standard devation of \31, and they have a correlation of 0.23 . What is the standard deviation of your portiolo? Pleare gne your answers to two decimal places (9.994)