(Steps Shown) A manufacturer measures the thickness of 16 randomly sampled parts from their inventory of that particular part. The mean of this sample is 18.8
Question: A manufacturer measures the thickness of 16 randomly sampled parts from their inventory of that particular part. The mean of this sample is 18.8 centimeters (cm). The population standard deviation is known to be 1.6 cm. Assume the variable is normally distributed.
Part 2: Graph the range of each of the corresponding confidence (99%, 95%, 90%) intervals. The range is the distance between boundaries.
Deliverable: Word Document 
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