In: Finance
Please solve and explain
15-3 The market and Stock S have the following probability distributions:
Probability |
rm |
rs |
0.3 |
15% |
20% |
0.4 |
9 |
5 |
0.3 |
18 |
12 |
Probability (P) | RETURN (Y) | (P * Y ) | P * (Y -Average Return of Y)^2 | |
30.00% | 15.00 | 4.50 | 0.68 | |
40.00% | 9.00 | 3.60 | 8.10 | |
30.00% | 18.00 | 5.40 | 6.08 | |
TOTAL | 13.50 | 14.85 | ||
Expected Return = | (P * Y) | |||
13.50% | ||||
VARIANCE = | P * (Y -Average Return of Y)^2 | |||
14.8500 | ||||
Standard Deviation = | Square root of (P * (Y -Average Return of Y)^2) | |||
Square root of 14.85 | ||||
3.85 | ||||
COEFFICIENT OF VARIATION= | STANDARD DEVIATION/ MEAN | |||
3.85 / 13.50 | ||||
0.29 |