Which of the Following Statements Concerning Confidence Intervals Is FALSE

Which of the following statements concerning confidence intervals is FALSE?

A) A confidence interval can be inferred when a probabilistic sample is drawn.
B) A confidence interval is produced by calculating the degree of nonsampling error for the particular statistic.
C) Precision can be increased by increasing sample size or decreasing the confidence level.
D) A narrower confidence interval can be obtained by increasing the sample size.
E) A narrower confidence interval can be obtained by decreasing the degree of confidence desired.