A new drug to treat migraine headaches has been developed. If the drug can ease symptoms in an average time of 30 minutes or less, the drug will be developed. In Phase III clinical trials, n=500...

Extracted text: A new drug to treat migraine headaches has been developed. If the drug can ease symptoms in an average time of 30 minutes or less, the drug will be developed. In Phase III clinical trials, n=500 patients reported relief of = 29.5 minutes with a standard deviation of s= 8 minutes. At a 95% level of confidence, we wish to investigate if the average time for ALL patients would be less than 30 minutes. Based on these results, should the new drug be developed? %3D No, it does not appear the average time is less than 30 minutes. Yes, it does not appear the average time is less than 30 minutes. No, it does appear the average time is less than 30 minutes. Yes, it does appear the average time is less than 30 minutes.