Which of the following is correct?

Question $4$ Answer

a$.$

To beat the market, investors should purchase stocks that have historically generated positive alphas.

b$.$

A fund manager whose fund has generated a negative alpha is most not doing his$/$her job very well.

c$.$

The positive alpha that your annoying brother in law earned on his purchase of Tesla was due to skill, not luck.

d$.$

Alpha is a more reliable performance measure as the time horizon for measurement increases.

e$.$

None of the above are correct