Confidence Level Interpretation
A student constructs a 99% confidence interval for a population mean and states, ‘There is a 99% probability that the true mean lies within this interval.’ Why is this statement an incorrect interpretation?
A
The student should have used a z-interval instead of a t-interval
B
The confidence level refers to the method, not any single interval
C
Confidence intervals can only be constructed for proportions, not means
D
The confidence level should be stated as a decimal, not a percentage
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