Question: 3.10.7. With reference to Exercise 2.8.3, give the approximate number of observations necessary to get a 99% confidence for the mean of K that has

3.10.7. With reference to Exercise 2.8.3, give the approximate number of observations necessary to get a 99% confidence for the mean of K that has a length of 60. How large a sample is needed to get a reasonable test of H0 : μ = 1200 when μ = 1190 using Cox’s rule? What is the number when μ = 1150?

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