Suppose a researcher wants to use a confidence interval to estimate an unknown population proportion p. Which of the following is not a correct statement?
The endpoints of the interval can vary with each new sample.
The probability that p is in the interval is equal to the level of confidence for the interval.
Whether the interval captures p is not known with certainty.
The population proportion p is fixed, but the sample proportion pˆ can vary from sample to sample.
The interval either does or does not capture p.
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