Question $10(3$ points$)$

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Refer to the information in Q$7.$

Suppose that from past experience you know that whenever this process is under control, package weight is normally distributed with a standard deviation of $22\mathrm{.}42$ ounces. What are the $3-$s control limits for your mean chart?

Question $10$ options:

UCL$=638\mathrm{.}66,$ LCL$=570\mathrm{.}23$

UCL$=628\mathrm{.}48,$ LCL$=561\mathrm{.}52$

UCL$=628\mathrm{.}30,$ LCL$=561\mathrm{.}04$

UCL$=658\mathrm{.}12,$ LCL$=560\mathrm{.}21$