Please shortly explain how they arrived at the answers below? Stock A has a beta of 1.5, and stock B has a beta of 1.0. Determine whether each of the statements below is true or false.
a.   Stock A must have a higher standard deviation than Stock B.                                      False
b.   Stock A has a higher expected return than Stock B.                                                      True
c.   The expected return on Stock A is 50 percent higher than the expected return on B. False