In a Random Sample of 65 Patients Undergoing a Standard

Multiple Choice

In a random sample of 65 patients undergoing a standard surgical procedure, 12 required medication for postoperative pain. In a random sample of 90 patients undergoing a new procedure, only 14 Required medication.
Construct a 98% confidence interval for the difference in the proportions of patients needing pain Medication between the old and new procedures.

A) (-0.003, 0.061)
B) (0.185, 0.156)
C) (0.042, 0.328)
D) (-0.114, 0.172)