Bags of pretzels are sampled to ensure proper weight.The overall average for the samples is 9 ounces.Each sample contains 25 bags.The standard deviation is estimated to be 3 ounces.The upper control chart limit (for 99.7% confidence)for the average would be ________ ounces.
A)9.4
B)18.0
C)10.2
D)7.2
E)10.8

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The Answer of Bags of pretzels are sampled to ensure proper weight.The overall average for the samples is 9 ounces.Each sample contains 25 bags.The standard deviation is estimated to be 3 ounces.The upper control chart limit (for 99.7% confidence)for the average would be ________ ounces.
A)9.4
B)18.0
C)10.2
D)7.2
E)10.8

Bags of Pretzels Are Sampled to Ensure Proper Weight