For 2000 patients, a simple random sample of 400 patients was selected. Out of these selected patients, 80 patients responded to a particular drug. The standard error of the proportion of the responded patients will be:
A. 0.16
B. 0.02
C. 0.50
D. 0.40
Answer:B
For 2000 patients, a simple random sample of 400 patients was selected. Out of these selected patients, 80 patients responded to a particular drug. The standard error of the proportion of the responded patients will be:
A. 0.16 B. 0.02 C. 0.50 D. 0.40