In a Random Sample of Patient Records in Cutter Memorial

Multiple Choice

In a random sample of patient records in Cutter Memorial Hospital, six-month postoperative exams were given in 90 out of 200 prostatectomy patients, while in Paymor Hospital such exams were given in 110 out of 200 cases. In a left-tailed test for equality of proportions, the p-value is:

A) .9772
B) .0228
C) .4772
D) .0517