The next four (4) questions pertain to the probability distribution of returns below for a particular foreign currency: Probability Return 50% 30% -10% 20% 2% 8% Z A) B) D What is the expected return? 0% 1% 1.4% -1.4% 3 A) B) What is the variance of these retums? 60.84 45.65 70.81 84 D) od 0 0 0 B) What is the standard deviation of these retums? 9.16 7 6.25 8.06 I D 10. What is the coefficient of variation? 0.0557 0.179 5.57 3.67 D