The upper limit of 90% confidence interval for the population proportion P, given a sample size n = 300 and sample proportion = 0.1833 is equal to ____.
A)	0.1466
B)	0.1395
C)	0.2271
D)	0.2200
Answer:D
The upper limit of 90% confidence interval for the population proportion P, given a sample size n = 300 and sample proportion = 0.1833 is equal to ____.
A)	0.1466 B)	0.1395 C)	0.2271 D)	0.2200