Mathematics, 14.02.2020 23:56 joshvslogic341
Apollo medical supplies produces hypodermic needles. For a particular type of needle, the average length should be 70 mm, and it is estimated that the standard deviation of the system is 1.25 mm. Apollo conducts quality control by taking a sample of 16 random needles every hour. Below is the mean of 5 hours’ worth of samples. Sample Length (mm) 1 69 2 72 3 71 4 70 5 68 What would be the upper control level with a 99.7% level of confidence?
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Apollo medical supplies produces hypodermic needles. For a particular type of needle, the average le...
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