Question: 15.25 With reference to Example 4. (a) verify the calculation of the tolerance bound L; (b) if the confidence is decreased to 90%, calculate the

15.25 With reference to Example 4.

(a) verify the calculation of the tolerance bound L;

(b) if the confidence is decreased to 90%, calculate the new tolerance bound (use K = 2.010);

(c) check the cardboard strength data for departures from normality using a normal-score plot.

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