Consider the following information: Rate of Return if State Occurs State of Econ

Question

Consider the following information: Rate of Return if State Occurs State of Economy Recession Normal Boom Probability of State of Economy 0.10 0.60 0.30 Stock A 0.06 0.09 0.15 Stock B -0.21 0.15 0.33 Required: (a) Calculate the expected return for Stock A. (Do not round your intermediate calculations.) (Click to select) 4 (b) Calculate the expected return for Stock B. (Do not round your intermediate calculations.) (Click to select) 4 (c) Calculate the standard deviation for Stock A. (Do not round your intermediate calculations.) (Click to select) 4 (d) Calculate the standard deviation for Stock B. (Do not round your intermediate calculations.) (Click to select) 4

Explanation / Answer

A:

Expected return=Respective return*Respective probability

=(0.1*6)+(0.6*9)+(0.3*15)

=0.105(or 10.5%)

Standard deviation=[Total probability*(Return-Mean)^2/Total Probability]^(1/2)

=0.0307(or 3.07%(Approx).

B:

Expected return=Respective return*Respective probability

=(0.1*-21)+(0.6*15)+(0.3*33)

=0.168(or 16.8%)

Standard deviation=[Total probability*(Return-Mean)^2/Total Probability]^(1/2)

=0.1495(or 14.95%(Approx).

probability Return probability*(Return-Mean)^2 0.1 6 0.1*(6-10.5)^2=2.025 0.6 9 0.6*(9-10.5)^2=1.35 0.3 15 0.3*(15-10.5)^2=6.075 Total=9.45%

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