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# About: Confidence Intervals: Practice 3

Module by: Susan Dean, Barbara Illowsky, Ph.D.. E-mail the authors

View the content: Confidence Intervals: Practice 3

 Name: Confidence Intervals: Practice 3 ID: m16968 Language: English (en) Subject: Mathematics and Statistics Keywords: elementary, statistics License: Creative Commons Attribution License CC-BY 3.0 Authors: Copyright Holders: Maintainers: Latest version: 1.13 (history) First publication date: Jun 22, 2008 3:04 pm -0500 Last revision to module: Jun 9, 2012 8:04 am -0500

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## Version History

 Version: 1.13 Jun 9, 2012 8:04 am -0500 by Changes: `Confidence Intervals: Practice 3: Added sentence about randomness. Minor edits.` Version: 1.12 Jun 5, 2012 9:58 pm -0500 by Changes: `Confidence Intervals: Practice 3: Updated Objectives.` Version: 1.11 Mar 20, 2009 10:27 am -0500 by Changes: `Confidence Intervals: Practice 3: Answer to Exercise 5 corrected to read p. Answer to Exercise 8 corrected to read 1 - 0.92 = 0.08.` Version: 1.10 Feb 18, 2009 8:09 pm -0600 by Changes: `Upconverted and added appropriate class attribute.` Version: 1.9 Jan 26, 2009 4:43 pm -0600 by Changes: `Confidence Intervals: Practice 3: Corrected Exercise 3 Solution 3c to read 0.8.` Version: 1.8 Oct 27, 2008 12:02 pm -0500 by Changes: `roles updated` Version: 1.7 Aug 15, 2008 11:54 am -0500 by Changes: `uploaded handouts` Version: 1.6 Jul 21, 2008 2:58 am -0500 by Changes: `removed draft note` Version: 1.5 Jul 16, 2008 5:43 pm -0500 by Changes: `fixed math error` Version: 1.4 Jul 14, 2008 3:57 pm -0500 by Changes: `removed image width params from media tags` Version: 1.3 Jul 9, 2008 6:03 am -0500 by Changes: `Post review updates` Version: 1.2 Jul 7, 2008 2:50 pm -0500 by Changes: `post review updates` Version: 1.1 Jun 26, 2008 1:41 pm -0500 by Changes: `Initial publication`

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## How to Cite and Attribute This Content

The following citation styles comply with the attribution requirements for the license (CC-BY 3.0) of this work:

### American Chemical Society (ACS) Style Guide:

Dean, S.; Illowsky, B. Confidence Intervals: Practice 3, Connexions Web site. http://cnx.org/content/m16968/1.13/, Jun 9, 2012.

### American Medical Assocation (AMA) Manual of Style:

Dean S, Illowsky B. Confidence Intervals: Practice 3 [Connexions Web site]. June 9, 2012. Available at: http://cnx.org/content/m16968/1.13/.

### American Psychological Assocation (APA) Publication Manual:

Dean, S., & Illowsky, B. (2012, June 9). Confidence Intervals: Practice 3. Retrieved from the Connexions Web site: http://cnx.org/content/m16968/1.13/

### Chicago Manual of Style (Bibliography):

Dean, Susan, and Barbara Illowsky. "Confidence Intervals: Practice 3." Connexions. June 9, 2012. http://cnx.org/content/m16968/1.13/.

### Chicago Manual of Style (Note):

Susan Dean and Barbara Illowsky, "Confidence Intervals: Practice 3," Connexions, June 9, 2012, http://cnx.org/content/m16968/1.13/.

### Chicago Manual of Style (Reference, in Author-Date style):

Dean, S., & Illowsky, B. 2012. Confidence Intervals: Practice 3. Connexions, June 9, 2012. http://cnx.org/content/m16968/1.13/.

### Modern Languages Association (MLA) Style Manual:

Dean, Susan, and Barbara Illowsky. Confidence Intervals: Practice 3. Connexions. 9 June 2012 <http://cnx.org/content/m16968/1.13/>.