When Constructing a Confidence Interval, the "Margin of Error" Means

Multiple Choice

When constructing a confidence interval, the "margin of error" means that if there is no bias:

A) every sample taken will come at least this close to the truth.
B) about half of the samples taken will come at least this close to the truth.
C) about 95 percent of all samples taken will come at least this close to the truth.
D) the sampling method is biased. Otherwise, the poll would always give the correct answer.
E) there are serious nonsampling errors. Otherwise, the poll would always give the correct answer.