In a comparative study of two new drugs, A and B, 350 patients were treated with drug A, and 225 patients were treated with drug B. (The two treatment groups were randomly and independently chosen.)...

In a comparative study of two new drugs, A and B,

patients were treated with drug A, and

patients were treated with drug B. (The two treatment groups were randomly and independently chosen.) It was found that

patients were cured using drug A and

patients were cured using drug B. Let

be the proportion of the population of all patients who are cured using drug A, and let

be the proportion of the population of all patients who are cured using drug B. Find a

confidence interval for

. Then complete the table below.

Carry your intermediate computations to at least three decimal places. Round your responses to at least three decimal places. (If necessary, consult a list of formulas.)