Expected Returns: Discrete Distribution

The market and Stock J have the following probability distributions:

Probability rM rJ

$0\mathrm{.}315\%20\%$

$0\mathrm{.}497$

$0\mathrm{.}31810$

Calculate the expected rates of return for the market and Stock J$.$ Round your answers to one decimal place.

Expected rate of return $($Market$)$:

$\%$

Expected rate of return $($Stock J$)$:

$\%$

Calculate the standard deviations for the market and Stock J$.$ Do not round intermediate calculations. Round your answers to two decimal places.

Standard deviation $($Market$)$:

$\%$

Standard deviation $($Stock J$)$:

$\%$