A production process manufactures electronic components with timing signals whose du- ration follows a normal distribution. A

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A production process manufactures electronic components with timing signals whose du- ration follows a normal distribution. A random sample of six components was taken, and the durations of their timing signals were measured.

(a) The probability is 05 that the sample variance is bigger than what percentage of the population variance?

(b) The probability is 10 that the sample variance is less than what percentage of the pop- ulation variance?

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