www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkasNW8D8A9PVVfoeU6MG8FFOW-3iCxJLnp... G Test 4 Question 16 of 25 (1 point) | Question Attempt: 1 of 1 Time Remaining: 3:33:52 . Sierra 13 14 15 16 17 18 19 20 21 22 23 24 Espanol In a comparative study of two new drugs, A and B, 400 patients were treated with drug A, and 275 patients were treated with drug B. (The two treatment groups were randomly and independently chosen.) It was found that 276 patients were cured using drug A and 192 patients were cured using drug B. Let P, be the proportion of the population of all patients who are cured using drug A, and let P, be the proportion of the population of all patients who are cured using drug B. Find a 90 % confidence interval for P: -P2. Then find the lower limit and upper limit of the 90 % confidence interval. 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.) Lower limit: X Upper limit