The 95% confidence interval for the population proportion P,given a sample size n = 2200 and sample proportion 
= 0.214 is computed as:
A) 0.214 ± 0.017
B) 0.214 ± 0.048
C) 0.214 ± 0.069
D) 0.214 ± 0.086
Correct Answer:
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