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Suppose we form a portfolio consisting of the risk-free T-bill and stock A. The expected return on stock A is 18% and the standard deviation
Suppose we form a portfolio consisting of the risk-free T-bill and stock A. The expected return on stock A is 18% and the standard deviation is 22%. The correlation between T-bill and stock A is zero. The standard deviation of the resulting portfolio is 10%. What is the weight in the T-bill? [Hint: Start with the formula for portfolio variance and remember that the two weights must add up to 1]
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