Hayek Corporation has a 0.5 probability of a return of 0.08, a 0.2 probability of a rate of return of 0.06, and the remaining probability of a -0.10 rate of return. What is the variance in the expected rate of return of Hayek Corporation?
The correct answer is 64.36
Note:
Probability | Return | Expected Return ( Probability * Expected Return) |
0.50 | 0.0800 | 0.04000 |
0.20 | 0.0600 | 0.01200 |
0.30 | -0.1000 | -0.03000 |
Expected Return | 0.022000 | |
Expected Return % | 2.2000 |
Probability | Probable Return | Deviation ( Probable Return- Expected Return) | Deviation Squared | Product ( Deviation Squared* Probability) |
0.50 | 8 | 5.80000 | 33.64000 | 16.82000 |
0.20 | 6 | 3.80000 | 14.44000 | 2.88800 |
0.30 | -10 | -12.20000 | 148.84000 | 44.65200 |
Variance | 64.36000 |
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