A stock's returns have the following distribution:

Demand for the Company's Products	Probability of This Demand Occurring	Rate of Return If This Demand Occurs
Weak	0.2	(50%)
Below average	0.2	(7)
Average	0.3	16
Above average	0.1	20
Strong	0.2	59
	1.0

1. Calculate the stock's expected return. Round your answer to two decimal places. 7.2

2. Calculate the stock's standard deviation. Do not round intermediate calculations. Round your answer to two decimal places. %

3. Calculate the stock's coefficient of variation. Round your answer to two decimal places.