The distribution of a sample of the outside diameters of PVC pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. What percentage of observations will be between 14.0 and 14.3 inches?
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This indicates a normal distribution. We are given: Arithmetic mean ($\mu$) = 14.0 inches Standard deviation ($\sigma$) = 0.1 inches We need to find the percentage of observations between 14.0 and 14.3 inches. Step 2: To find the percentage of observations Show more…
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