Question

In: Finance

Expected Returns: Discrete Distribution The market and Stock J have the following probability distributions: Probability rM...

Expected Returns: Discrete Distribution

The market and Stock J have the following probability distributions:

Probability rM rJ
0.3 12% 21%
0.4 10 4
0.3 17 12

a.Calculate the expected rate of return for the market. Round your answer to two decimal places.
%

b. Calculate the expected rate of return for Stock J. Round your answer to two decimal places.
%

c. Calculate the standard deviation for the market. Round your answer to two decimal places.
%

d. Calculate the standard deviation for Stock J. Round your answer to two decimal places.
%

Solutions

Expert Solution

a. The correct answer is 12.70%

Note :

Probability Rm Expected Return ( Probability * Expected Return)
Recession 0.30 0.12 0.03600
Normal 0.40 0.10 0.04
Boom 0.30 0.17 0.05
Expected Return   0.127000
Expected Return   % 12.70

b. The correct answer is 11.50%

Note:

Probability Rj Expected Return   ( Probability * Expected Return
Recession 0.30 0.21 0.0630
Normal 0.40 0.04 0.0160
Boom 0.30 0.12 0.0360
Expected Return   0.1150
Expected Return  % 11.50

c. The correct answer is 2.93%

Note:

Stock Probability Probable Return Rm Deviation ( Probable Return- Expected Return) Deviation Squared Product ( Deviation Squared* Probability)
Recession 0.30 12 -0.7 0.49 0.147
Normal 0.40 10 -2.7 7.29 2.916
Boom 0.30 17 4.3 18.49 5.547
Variance 8.61
Standard Deviation (Square root of Variance) 2.93

d. The correct answer is 7.05%

Note :

Stock B Probability Probable Return Deviation ( Probable Return- Expected Return) Deviation Squared Product ( Deviation Squared* Probability)
Recession 0.30 21.00 9.5 90.25 27.075
Normal 0.40 4.00 -7.5 56.25 22.5
Boom 0.30 12.00 0.5 0.25 0.075
Variance 49.65
Standard Deviation 7.05

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