Question

In: Finance

P13-7 Calculating Returns and Standard Deviations [LO1] Consider the following information Rate of Return if State...

P13-7 Calculating Returns and Standard Deviations [LO1]

Consider the following information

Rate of Return if State Occurs
  State of Economy Probability of State of Economy Stock A Stock B
  Recession 0.20 0.04 -0.19
  Normal 0.70 0.08 0.14
  Boom 0.10 0.13 0.33

  

Required:
(a)

Calculate the expected return for Stock A. (Do not round your intermediate calculations.)

(Click to select)7.70% 7.85% 9.34% 10.03% 6.76%

  

(b)

Calculate the expected return for Stock B. (Do not round your intermediate calculations.)

(Click to select)9.30% 9.33%1 0.77% 8.84% 9.67%

  

(c)

Calculate the standard deviation for Stock A. (Do not round your intermediate calculations.)

(Click to select)2.37% 1.67% 2.49% 2.25% 2.46%

  

(d)

Calculate the standard deviation for Stock B. (Do not round your intermediate calculations.)

(Click to select)15.23% 10.77% 16.99% 14.46% 15.83%

Solutions

Expert Solution

a) Expected return of Stock A is 7.7%

Probability Stock A Expected return
0.2 0.04 0.008
0.7 0.08 0.056
0.1 0.13 0.013
Expected return 7.70%

b) Expected return of stock B is 9.30%

Probability Stock B Expected return
0.2 -0.19 -0.038
0.7 0.14 0.098
0.1 0.33 0.033
Expected return 9.30%

c) Standard deviation of stock A is 2.37%

Probability Stock A Expected return Deviation from mean Squared Squared * probability
0.2 0.04 0.008 -0.037 0.001369 0.000274
0.7 0.08 0.056 0.003 0.000009 0.000006
0.1 0.13 0.013 0.053 0.002809 0.000281
Expected return 0.077 Variance 0.000561

Standard deviation = square root of variance

= 2.37%

d) The standard deviation of stock B is 15.23%

Probability Stock B Expected return Deviation from mean Squared Squared * probability
0.2 -0.19 -0.038 -0.28 0.080089 0.0160178
0.7 0.14 0.098 0.05 0.002209 0.0015463
0.1 0.33 0.033 0.24 0.056169 0.0056169
Expected return 0.09 Variance 0.023181

Standard deviation = 15.23%


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