An investment strategy has an expected return of $12$ percent and a standard deviation of $10$ percent. Assume investment returns are bell shaped.

a$.$ How likely is it to earn a return between $2$ percent and $22$ percent? $($Enter your response as decimal values $($not percentages$)$ rounded to $2$ decimal places.$)$

b$.$ How likely is it to earn a return greater than $22$ percent? $($Enter your response as decimal values $($not percentages$)$ rounded to $2$ decimal places.$)$

c$.$ How likely is it to earn a return below $8$ percent? $($Enter your response as decimal values $($not percentages$)$ rounded to $3$ decimal places.$)$