In a study to compare the perceived effects of two pain
Chapter 8, Problem 31E(choose chapter or problem)
Problem 31E
In a study to compare the perceived effects of two pain relievers, 200 randomly selected adults were given the first pain reliever, and 93% indicated appreciable pain relief. Of the 450 individuals given the other pain reliever, 96% indicated experiencing appreciable relief.
a Give an estimate for the difference in the proportions of all adults who would indicate perceived pain relief after taking the two pain relievers. Provide a bound on the error of estimation.
b Based on your answer to part (a), is there evidence that proportions experiencing relief di
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