Which statement is NOT true about confidence intervals?

A) A confidence interval is an interval of values computed from sample data that is likely to include the true population value

B) An approximate formula for a 95% confidence interval is sample estimate ± margin of error.

C) A confidence interval between 20% and 40% means that the population proportion lies between 20% and 40%

D) A 99% confidence interval procedure has a higher probability of producing intervals that will include the population parameter than a 95% confidence interval procedure.

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Answer I The statement not true about the confidence interval is Opti... View the full answer