To maximize her expected utility, which one of the following investment alternatives would she choose?

A portfolio that pays 10 percent with 40 percent probability or 5 percent with a 60 percent probability.

A portfolio that pays 12 percent with 20 percent probability or 2 percent with 80 percent probability.

A portfolio that pays 10 percent with a 60 percent probability or 5 percent with 40 percent probability.

A portfolio that pays 12 percent with 60 percent probability or 5 percent with 40 percent probability.

A portfolio that pays 12 percent with 40 percent probability or 5 percent with 60 percent probability.