Answer the Questions please with your own words and calculation if needed so i can up vote

1. You own a $1,000-par zero-coupon bond that has 6 years of remaining maturity. You plan on selling the bond in one year and believe that the yield next year will have the following probability distribution:

Probability	Yield
0.1	1.70%
0.2	1.75%
0.4	2.20%
0.2	2.25%
0.1	2.50%

a. What is your expected price when you sell the bond?

b. What is the risk associated with the bond (standard deviation)?