Data analysis of the breaking strength of a certain fabric shows that it is normally distributed with a mean of 300 lb and a variance of 9.

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Data analysis of the breaking strength of a certain fabric shows that it is normally distributed with a mean of 300 lb and a variance of 9.

  1. Estimate the percentage of fabric samples that will have a breaking strength no less than 294 lb.
  2. Estimate the percentage of fabric samples that will have a breaking strength no less than 297 lb and no greater than 303 lb.

In: Mechanical Engineering

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