A stock has an expected return of $8\%$ with a standard deviation of $3\%.$ Which of the following statements are true?

A$)$ this stock has a variance of $9\%$

B$)$ you are $68\%$ confident that the returns of this stock will be between $8\%$ and $14\%$

C$)$You are $95\%$ confident that the returns of this stock will be between $2\%$ and $14\%$

D$)$ All of the Above statements are true