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In: Finance

Stocks A and B have the following probability distributions of expected future returns: PROBABILITY: 0.1, 0.2,...

Stocks A and B have the following probability distributions of expected future returns: PROBABILITY: 0.1, 0.2, 0.4, 0.2, 0.1 Stock A: 8%, 5,13, 21,29 Stock B. 36%, 0, 22, 25, 36. Calculate the expected rate of return, rB, for Stock B (rA = 12.50%.) Do not round intermediate calculations. Round your answer to two decimal places. Calculate the standard deviation of expected returns, ?A, for Stock A (?B = 19.68%.) Do not round intermediate calculations. Round your answer to two decimal places. Now calculate the coefficient of variation for Stock B. Round your answer to two decimal places.

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Expert Solution

Formula sheet

A1 B C D E F G H I J
2 Rate of Return if the state occurs
3 Probability Stock A Stock B
4 0.1 -0.18 0.05
5 0.2 -0.07 0.03
6 0.4 0.12 0.06
7 0.2 0.2 0.02
8 0.1 0.25 -0.01
9
10 1)
11 Calculation of Expected Return for each Stock:
12 Expected return is given by following formula:
13
14
15
16
17
18 Expected return of Stock A, rA =Sum of product of probability and return in each state
19 =SUMPRODUCT(C4:C8,D4:D8) =SUMPRODUCT(C4:C8,D4:D8)
20
21 Hence Expected return of Stock A is =D19
22
23 Simillarly expected return for other funds can be calculated as follows:
24
25 =D3 =E3
26 Expected Return =SUMPRODUCT($C$4:$C$8,D4:D8) =SUMPRODUCT($C$4:$C$8,E4:E8)
27
28 2)
29 Variance and standard deviation of stocks can be calculated as follows:
30 Variance and standard deviation of stocks can be calculated from following formula:
31
32
33
34
35
36
37
38
39 Variance of Stock A, VarA =Sum of product of probability and square of excces return in each state
40 =SUMPRODUCT(C4:C8,(D4:D8-D26)^2) =SUMPRODUCT(C4:C8,(D4:D8-D26)^2)
41
42 Standard Deviation of Stock A is =Sqrt (Variance of Stock A)
43 =SQRT(D40) =SQRT(D40)
44
45
46 Simillarly Variance and Standard deviation of Stock B can be calculated as follows:
47
48 =D25 =E25
49 Expected Return =D26 =E26
50 Variance =SUMPRODUCT($C$4:$C$8,(D4:D8-D49)^2) =SUMPRODUCT($C$4:$C$8,(E4:E8-E49)^2)
51 Standard Deviation =SQRT(D50) =SQRT(E50)
52
53 Coefficicent of variation can be calculated as:
54 Coefficient of variation =Standard Deviation / Expected Return
55
56 =D48 =E48
57 Expected Return =D49 =E49
58 Variance =D50 =E50
59 Standard Deviation =D51 =E51
60 Coefficient of variation =D59/D57 =E59/E57 =E59/E57
61

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