A machine makes parts with a variance of 14.5 cm in length. A random sample of 50

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A machine makes parts with a variance of 14.5 cm in length. A random sample of 50 parts has a mean length of 106.5 cm. What are the 95% and 99% confidence intervals for the length of parts?

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Quantitative Methods For Business

ISBN: 978-0273739470

5th edition

Authors: Donald Waters

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Question Posted: Sep 20, 2012 12:32 AM

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A machine makes parts with a variance of 14.5 cm in length. A random sample of 50

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Here 2 145 so we know that for a sample of 50 s 145 50 05385 The ...View the full answer

Quantitative Methods For Business

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