A process has a mean shift of $-1\mathrm{.}5$ sigma. If $6,210$ dpmo are expected to occur, what is the tolerance of the process?

Question $4$ options:

$4$ sigma

$4\mathrm{.}5$ sigma

$5$ sigma

$5\mathrm{.}5$ sigma

$6$ sigma

$6\mathrm{.}5$ sigma

$7$ sigma

$7\mathrm{.}5$ sigma

$8$ sigma

$8\mathrm{.}5$ sigma

$9$ sigma

$9\mathrm{.}5$ sigma

$10$ sigma

$10\mathrm{.}5$ sigma

$11$ sigma

$11\mathrm{.}5$ sigma

$12$ sigma

$12\mathrm{.}5$ sigma

$13$ sigma

$13\mathrm{.}5$ sigma

$14$ sigma

$14\mathrm{.}5$ sigma

$15$ sigma