Suppose a 95% confidence interval for a population proportion is determined to be 0.56 ± 0.12 = (0.44, 0.68).Based upon the given confidence interval, which value of p is plausible?

A plausible value of the population proportion p should lie within the 95% confidence interval, from 0.44 to 0.68. Of the choices, 0.52 falls in this range. The other values are outside the interval.

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