A production engineer collected a sample of 14 parts to measure their weights. The sample mean was 8.48 kg, while the standard deviation was 0.79 kg. Determine a 95% lower confidence bound a. 8.85 b. 8.19 C. 8.02 d. 8.11 O

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Q: 10.P(Z<0.11)=_

A: We will use Standard Normal table to find the required probability.