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Try these 12 how many successes and failures are there

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Unformatted text preview: notation for the confidence interval it appears as ! − ! , ! + ! . This interval represents all values between ! – E and ! + E, a range of values that may contain the population proportion, p.  Interpret the confidence level in context. The level of confidence is the proportion of similarly constructed intervals that contain the population proportion, p, and it is how confident we are that the interval contains the population proportion. © 2011 THE CARNEGIE FOUNDATION FOR THE ADVANCEMENT OF TEACHING A PATHWAY THROUGH STATISTICS, VERSION 1.6, STATWAY™  ­ STUDENT HANDOUT STATWAY STUDENT HANDOUT | 6 Lesson 8.1.1 Intervals for a Population Proportion and the Normal Distribution INTRODUCTION TO PART 2 The following sample data are based on the article, College Students' Attitudes Toward UFOs, (College Student Journal, March 2009). A random sample of 758 college students included 159 wh...
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