• The variance of BMI, Inc. is estimated to be $0\mathrm{.}0131,$ while the variance of QBU, Inc. is estimated to be $0\mathrm{.}0255.$ The covariance between BMI and QBU is estimated to be $0\mathrm{.}0043$

  $.$What is the variance of a two stock portfolio if $0\mathrm{.}53$ of your money is placed in BMI, and $0\mathrm{.}47$ of your money is placed in QBU.
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