Drug Companies and Research Studies. Use this information for Exercises 73–75. The Annals of Internal Medicine reported that 39 of the 40 research studies with acknowledged sponsorship by a drug company had outcomes favoring the drug under investigation.20
74. The article in the Annals of Internal Medicine found that 89 of the 112 studies without acknowledged drug company support had outcomes favoring the drug. If appropriate, construct a 95% confidence interval for the population proportion of all studies without acknowledged drug company support which have outcomes favoring the drug. If not appropriate, clearly state why not.