# My Notes Ask Your Teac 9. 0.14/022 points Because of variability in the manuracturing process, th...

My Notes Ask Your Teac 9. 0.14/022 points Because of variability in the manuracturing process, the actual yielding point of a sample of mild steel subjected to increasing stress will usually differ from the theoretical yielding point. Let p dencte the true proportion of samples that yield before their theoretical yielding point. If on the basis of a sample it can be concluded that more than 20% of all specimens yield before the theoretical point, the production process wll have to be modifled. ! Prevous Answers Devoresta妼8,E.080. + (a) If 14 of 60 speclmens yleld before the theoretical polnt, what Is the p-value when the approprlate test is used? (Round your answer to four declmal places.) p-value= 0.2593 What would ynu 」advise the company to do? Because the p-value is rather large, Ho would not he rejected at any reasonable α, so the production process will have to be mad!fled ◆ Because the p-value is rather small, Ho will be rejected at any reasonable tt, so the production process will have to be modified. Because the P-value is rather large, Hu would not be rejected at any reasonable so no modification appears necessary Because the p-value is rather small, HO will be rejected at any reasonable a, sono modification appears necessary (b If the true percentage of early yields Is actually 50% so that the theoretical point is the median of the yielc distribution and a level 0.01 test is used what Is the probability that the company concludes a modification of the process is necessary? (Round your answer to rour decimal places.) You may need to use the appropriate table in the Appenix or Tables to answer this question Need Help? Read Talk to a Tutor

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