A locomotive company makes engines with an average life of 30 years and a variance of 81

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A locomotive company makes engines with an average life of 30 years and a variance of 81 years. The distribution of lives is normal. What is the probability that an engine wont last at least 10 years?

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Calculus

ISBN: 9781285057095

10th Edition

Authors: Ron Larson, Bruce H. Edwards

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Posted Date: Feb 27, 2023 01:54 AM

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A locomotive company makes engines with an average life of 30 years and a variance of 81

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We can solve this problem using the standard normal distribution First we need to s... View the full answer

Calculus

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