Quantitative Problem: You are given the following probability distribution for CHC Enterprises:

State of Economy	Probability	Rate of return
Strong	0.20	22%
Normal	0.55	10%
Weak	0.25	-5%

a. What is the stock's expected return? Do not round intermediate calculations. Round your answer to two decimal places.

_______ %

b. What is the stock's standard deviation? Do not round intermediate calculations. Round your answer to two decimal places.

_______ %

c. What is the stock's coefficient of variation? Do not round intermediate calculations. Round your answer to two decimal places.

_______