What is the Six Sigma quality level when the process standard deviation is $1$ and the tolerance range is $10$$?$

Question $14$ options:

a$)$

$3$

b$)$

$11$

c$)$

$5$

d$)$

$9$

Question $15$ options:

a$)$

Champions

b$)$

Green Belts

c$)$

Master Black Belts

d$)$

Black Belts