8. The net present values and associated possibilities for an investment, designated investment H, follow. Compute the expected value for the probability distribution.

NPV	0	200	400	600	800	1,000	1,200	1,400
Probability	.05	.1	.1	.2	.25	.15	.1	.05

9. Compute the variance and standard deviation for the probability distribution for Investment H in problem 8.

10. Compute the coefficient of variation for the probability distribution investment H in problem 8.