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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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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Which statement is not true about confidence intervals?
C. A confidence interval between 20% and 40% means that the population proportion lies between 20% and 40%.
Letter C, because its not true
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Letter C.
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