An individual has $25,000 invested in a stock with a beta of 0.4 and another $80,000 invested in a stock with a beta of 2.2. If these are the only two investments in her portfolio, what is her portfolio's beta? Round your answer to two decimal places.
Weight of Stock with Beta of 0.4 = Investment in Stock with Beta of 0.4 / (Investment in Stock with Beta of 0.4 + Investment in Stock with Beta of 2.2)
Weight of Stock with Beta of 0.4 = $25,000 / ($25,000 + $80,000)
Weight of Stock with Beta of 0.4 = 23.81%
Weight of Stock with Beta of 2.2 = Investment in Stock with Beta of 0.4 / (Investment in Stock with Beta of 0.4 + Investment in Stock with Beta of 2.2)
Weight of Stock with Beta of 2.2 = $80,000 / ($25,000 + $80,000)
Weight of Stock with Beta of 2.2 = 76.19%
Portfolio Beta = Weight of Stock with Beta of 0.4 * Beta of Stock + Weight of Stock with Beta of 2.2 * Beta of Stock
Portfolio Beta = 23.81% * 0.4 + 76.19% * 2.2
Portfolio Beta = 1.77
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