Question: A production process manufactures electronic components with timing signals whose duration follows a normal distribution. A random sample of 14 components wastaken, and the durations

A production process manufactures electronic components with timing signals whose duration follows a normal distribution. A random sample of 14 components wastaken, and the durations of their timing signals were measured.

a. The probability is 0.10 that the sample variance is bigger than what percentage of the populationvariance?

b. The probability is 0.05 that the sample variance is less than what percentage of the populationvariance?

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