Refer to Exercise 24. It is discovered that the standard deviation of the sample used to compute
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Refer to Exercise 24. It is discovered that the standard deviation of the sample used to compute the confidence interval is . Is it possible to determine whether ? Explain.
Data From Exercise 24:
A shipment of fibers is not acceptable if the mean breaking strength of the fibers is less than \(50 \mathrm{~N}\). 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 \(50.1 \mathrm{~N}\). Someone suggests using these data to test the hypotheses \(H_{0}: \mu \leq 50\) versus \(H_{1}: \mu>50\).
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