Security A has the following probability distribution of returns:

Scenario Probability Return

$10\mathrm{.}115\%$

$20\mathrm{.}825\%$

$30\mathrm{.}135\%$

What is the variance for Security A$?$

Question $3$Answer

a$.$

$0\mathrm{.}300$

b$.$

$0\mathrm{.}200$

c$.$

$0\mathrm{.}020$

d$.$

$0\mathrm{.}002$