Question

In: Finance

A stock has the following probability distribution:       _____________________________________________________________________       Demand for the         &nb

A stock has the following probability distribution:

      _____________________________________________________________________

      Demand for the                 Probability of this                   Rate of return if this

      Company’s products         demand occurring                   demand occurs                       

_____________________________________________________________________

      Weak                                 0.10                                         -50%

      Below Average                 0.20                                         -5%

      Average                             0.40                                         16%

      Above Average                 0.20                                         25%

      Strong                               0.10                                         60%

      ______________________________________________________________________

      Calculate the stock’s expected return, variance of returns, and standard deviation of returns.

Solutions

Expert Solution

a. Expected return 11.40%
Working:
Demand for the Company’s products Probability of this demand occurring Rate of return if this demand occurs
a b a*b
Weak                             0.10 -50% -5.00%
Below Average                             0.20 -5% -1.00%
Average                             0.40 16% 6.40%
Above Average                             0.20 25% 5.00%
Strong                             0.10 60% 6.00%
Total 11.40%
b. Variance of the return                        0.0712
Working:
Demand for the Company’s products Probability of this demand occurring Rate of return if this demand occurs Expected return
a b c d=((b-c)^2)*a
Weak                             0.10 -50% 11.40%                        0.0377
Below Average                             0.20 -5% 11.40%                        0.0054
Average                             0.40 16% 11.40%                        0.0008
Above Average                             0.20 25% 11.40%                        0.0037
Strong                             0.10 60% 11.40%                        0.0236
Total                        0.0712
c. Standard deviation of return 26.69%
Working:
Standard deviation of return = Variance ^ (1/2)
=                        0.0712 ^ (1/2)
= 26.69%

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