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We Construct a 90% Confidence Interval for P, the Population

Question 26

Multiple Choice

We construct a 90% confidence interval for P, the population proportion of freshmen able to pass a proposed English placement exam. The sample interval runs from .43 to .49. This tells us that


A) there is a 90% probability that P falls between .43 and .49
B) there is a 90% probability that an interval so constructed will include P
C) 90% of the time P will fall between .43 and .49
D) 90% of intervals so constructed will fall between .43 and .49

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