The options for expected return of blue llama is $5\mathrm{.}63\%,7\mathrm{.}6\%,4\mathrm{.}79\%$ and $6\mathrm{.}76\%.$

The options for hungry whale is $9\mathrm{.}19\%,10\mathrm{.}08\%,8\mathrm{.}13\%$ and $5\mathrm{.}28\%$

The options for ethan are $6\mathrm{.}26\%,7\mathrm{.}51\%,8\mathrm{.}45\%,$ and $5\mathrm{.}32\%$

These are the only correct answer options