[ww-bugs] Bug 2642: New: Bad correct answer

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=2642

           Summary: Bad correct answer
           Product: Problem libraries
           Version: unspecified
          Platform: PC
               URL: /opt/webwork/courses/453/templates/Library/NAU/setStat
                    istics/confidence_interval1.pg_with_problemSeed=1889
        OS/Version: Mac OS
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Library
        AssignedTo: jj at asu.edu
        ReportedBy: travis at mc.edu
        Web browser ---
           version:


This problem uses a z-score of 2 but asks for a confidence interval with 2
decimal places of accuracy.  Impossible to get correct unless you do a bad
approximation with z=2 instead of something like z = 1.959964.

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