Hello - I neeed help with questions A & B.

The figure in the popup?window (graph below) shows the?one-year return distribution for RCS stock.?Calculate:

a. The expected return.

b. The standard deviation of the return.

Note?: Make sure to round all intermediate calculations to at least five decimal places.

a. The expected return _________ ? ?%. ?(Round to two decimal?places.)

b. The standard deviation of the return __________? (round to two decimal places.)

i Graph/Chart X im etu me 35- 30- our Probability % A B C D E A: -25% return B: -15% return C: 0% return D: 15% return E: 25% return er b Print Done