Refer to Exercise 18. It is discovered that the standard deviation of the sample used to compute
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Refer to Exercise 18. It is discovered that the standard deviation of the sample used to compute the confidence interval is 5 N. Is it possible to determine whether P < 0.01? Explain.
Refer to Exercise 18.
A shipment of fibers is not acceptable if the mean breaking strength of the fibers is less than 50 N. A large sample of fibers from this shipment was tested, and a 98% lower confidence bound for the mean breaking strength was computed to be 50.1 N. Someone suggests using these data to test the hypotheses H0 :μ ≤ 50 versus H1 :μ > 50.
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No the confidence bound itself tells us only that P 002 To ...View the full answer
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