Ex-Ante Standard Deviation An analyst estimates a 19% probability of a recession next year, a 43% probability of normal economic growth and a 38% probability of a strong recovery. If a recession occurs a stock is projected to have a -15.4% return. With normal growth the stock will generate a 10.4% return and if the strong recovery occurs the stock will have a 25.4% rate of return. This stock's standard deviation is
Multiple Choice 11.20% 11.76% 11.49% 14.54%
Expected return=Respective return*Respective probability
=(0.19*-15.4)+(0.43*10.4)+(0.38*25.4)
=11.198%
probability | Return | probability*(Return-Expected Return)^2 |
0.19 | -15.4 | 0.19*(-15.4-11.198)^2=134.416185 |
0.43 | 10.4 | 0.43*(10.4-11.198)^2=0.27382572 |
0.38 | 25.4 | 0.38*(25.4-11.198)^2=76.6447855 |
Total=211.334796% |
Standard deviation=[Total probability*(Return-Expected Return)^2/Total probability]^(1/2)
=[211.334796]^(1/2)
=14.54%(Approx)
Ex-Ante Standard Deviation An analyst estimates a 19% probability of a recession next year, a 43%...
Ex-Ante Standard Deviation An analyst estimates a 20% probability of a recession next year, a 44% probability of normal economic growth and a 36% probability of a strong recovery. If a recession occurs a stock is projected to have a -15.5% return. With normal growth the stock will generate a 10.5% return and if the strong recovery occurs the stock will have a 25.5% rate of return. This stock's standard deviation is _______. 11.65% 10.70% 14.70% 11.92%
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