# e Home-LiferayBB Homeworks - BUAD3355_0+Answered: OffSaveConf Xhttps://www.bartleby.com/questions-and-answers/off-save-conf.-intervalhoework-2-protected-view-saved-to-this-pc-cristina-barrera-hnbartlebyеQ Search for textbooks, solutions, and more...Ask a QuestionOffSaveConf. IntervalHoework (2) Protected Vie...Q&A LibraryStep 2The confidence interval, at 99% for the support level in Lowa Presidential Caucus, can be calculated as:p(1-p)рерЕz05п0.19(1-0.19)E 0.19+2.575144E(0.19 2.575x0.03 26)Privacy- Terms11:55 AMType here to search11/15/2019

Question
Asked Nov 15, 2019
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How did you get the number 2.575 for z in this confidence interval

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Step 1

Given:

Step 2

So,

Significance level = 0.01

The z-critical value, using the standard normal distribut...

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