Long short hedge ratio and portfolio weight : Question

Conditional variance of stock A = 10%
Conditional variance of stock b = 15%
Conditional Covariance between stock A &B = 9%

  1. If you want to hedge a 1$ long position in stock A, by a short position in stock B,what will be the dollar value of stock B?
  2. If you want to create a long only portfolio comprising of both stock A and stock B, what will be the individual weight of these two stocks in a portfolio

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