2. Crohn's disease is a chronic inflammatory disease. A double-blind completely randomized experiment of 71 persons...

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2. Crohn's disease is a chronic inflammatory disease. A double-blind completely randomized experiment of 71 persons who were resistant to or intolerant to the standard therapy was conducted where 37 received cyclosporine and 34 a placebo. Population Better Not Total Cyclosporine 22 Placebo 15 37 23 34 a. Explain what double-blind means in context of this problem. b. Find a 90 percent confidence interval for the proportions of those who got better with cyclosporine. c. Interpret the confidence level. 2. Crohn's disease is a chronic inflammatory disease. A double-blind completely randomized experiment of 71 persons who were resistant to or intolerant to the standard therapy was conducted where 37 received cyclosporine and 34 a placebo. Population Better Not Total Cyclosporine 22 Placebo 15 37 23 34 a. Explain what double-blind means in context of this problem. b. Find a 90 percent confidence interval for the proportions of those who got better with cyclosporine. c. Interpret the confidence level.

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a In the context of this problem a doubleblind experiment means that both the participants and the r... View the full answer