Given the following past returns for a stock:

2013 + 15 %

2014 + 18 %

2015 + 30 %

2016 - 20 %

2017 + 10 %

This stocks expected return is:

Select one or more:

a. 53.00 %

b. 10.00 %

c. 18.15 %

d. 10.60 %

e. 13.25 %

As part of a well diversified portfolio:

Select one or more:

a. Stock X is less risky due to its higher coefficient of variation

b. Stock A is less risky due to its lower standard deviation

c. Stock X is less risky due to its higher expected value

d. Stock X is less risky due to its lower beta

e. Stock A is less risky due to its higher beta