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In: Statistics and Probability

Previous experience has shown that the breaking strength of the fabric used in a certain brand...

Previous experience has shown that the breaking strength of the fabric used in a certain brand of drapes is normally distributed with a standard deviation of 2 pounds per square inch. A random sample of 9 specimens is examined to reveal an average breaking strength of x = 98 pounds per square inch. Determine the p−value required to test the hypothesis that the true mean is not 97.

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Answer: p- Value = 0.1336

orchestra answered 1 year ago
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