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Standard deviation of number of defective packages

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Rather than use the proportion of packages that contain defective floss, another quality control inspector simply counts the number of packages. If historically, only 1 pack- age out of 50 is defective,

a) What is the standard deviation of the number of defective packages?

b) What are the upper and lower 3s control limits on the number of defectives?

c) How does the upper limit compare to the upper limit in Exercise 7, part c?

Reference no: EM131007152

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