You have the following three possible optimal risky portfolios

Portfolio E$($r$)$ Sigma

$10\mathrm{.}11660\mathrm{.}2372$

$20\mathrm{.}11350\mathrm{.}2372$

$30\mathrm{.}10780\mathrm{.}2235$

Which portfolio is redundant?

hint: find the portfolio that is always less optimal compared to other portfolios

You have the following three possible optimal risky portfolios

Portfolio E$($r$)$ Sigma

$10\mathrm{.}11660\mathrm{.}2372$

$20\mathrm{.}11350\mathrm{.}2372$

$30\mathrm{.}10780\mathrm{.}2235$

Which portfolio is redundant?

hint: find the portfolio that is always less optimal compared to other portfolios

Portfolio $1$

Portfolio $2$

Portfolio $3$

Cannot decide