Mathematics, 11.06.2021 15:30, kayfamath

In a metal fabrication process, metal rods are produced to a specified target length of 15 feet. Suppose that the lengths are normally distributed. A quality control specialist collects a random sample of 16 rods and finds the sample mean length to be 14.8 feet and a standard deviation of 0.65 feet. The 95% confidence interval for the true mean length of rods produced by this process is . Group of answer choices 13.912 to 15.688 ft 14.454 to 15.146 ft 14.544 to 15.056 ft 14.345 to 15.255 ft 13.834 to 15.766 ft

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In a metal fabrication process, metal rods are produced to a specified target length of 15 feet. Sup...