Question
A drug company is marketing a new pain relief formula in 800 mg. tablets. The company claimsthat on the average 2.6 of the tablets will
A drug company is marketing a new pain relief formula in 800 mg. tablets. The company claimsthat on the average 2.6 of the tablets will eliminate a migraine headache. A neurologistrandomly selects 25 of her patients with migraines to keep track of how many of the new tabletsare needed to get relief from their next migraine. Her patients have an average of 3.1 tabletswith a standard deviation of 1.1. The data showed to be normally distributed. Can theneurologist conclude, at the 0.05 level of significance, that the new pain relief formula is lesspotent than the drug company claims?
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