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If the economy booms, RTF, Inc. stock is expected to return 12 percent. If the economy goes into a recessionary period, then RTF is expected to only return 5 percent. The probability of a boom is 79 percent while the probability of a recession is 21 percent. What is the variance of the returns on RTF, Inc. stock?

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pedrocarratore

Answer:

0.00081291

Explanation:

The expected return for the stock is given by the weighted average of the boom or recession returns:

[tex]ER = (0.12*0.79)+(0.05*0.21)\\ER=0.1053[/tex]

Stock variance is given by:

[tex]V = 0.79*(0.12-0.1053)^2 +0.21*(0.05-0.1053)^2\\V= 0.00081291[/tex]

The variance of the returns on RTF, Inc. stock is 0.00081291

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