Estimate the population variance of the longitude

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1. One piece for an automobile must be fabricated with very narrow tolerant measures so it can be accepted by the client. The specifications of production show that the max. variance in longitude of the piece must be 0.0004. Suppose that in 30 pieces the sample variance found is s2 = 0.0005.

a. Determine a confidence interval of 95% to estimate the population variance of the longitude of the pieces.

Reference no: EM131914159

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