Find the expected return and standard deviation of each stock

Stock A

Probability Return

$0\mathrm{.}2-30\%$

$0\mathrm{.}415\%$

$0\mathrm{.}430\%$

Stock B

Probability Return

$0\mathrm{.}3-5\%$

$0\mathrm{.}410\%$

$0\mathrm{.}430\%$

If you were going to put all of your money into one of these two stocks, which should you pick?