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Exhibit 1- "Currently, only 20% of arrested drug pushers are convicted," cried candidate Hannah Swift in a campaign speech. "Elect me and you'll see a big increase in convictions." A year after her election victory, a random sample of 144 case files of arrested drug pushers showed 36 convictions. Conduct a right-tailed test, at a 0.05 level of significance, to see if the proportion of conviction rates has increased under Hanna Swift

Exhibit 1- "Currently, only 20% of arrested drug pushers are convicted," cried candidate Hannah Swift in a campaign speech. "Elect me and you'll see a big increase in convictions." A year after her election victory, a random sample of 144 case files of arrested drug pushers showed 36 convictions. Conduct a right-tailed test, at a 0.05 level of significance, to see if the proportion of conviction rates has increased under Hanna Swift

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Exhibit 1- "Currently, only 20% of arrested drug pushers are convicted," cried candidate Hannah Swift in a campaign speech. "Elect me and you'll see a big increase in convictions." A year aftér her election victory, a random sample of 144 case files of arrested drug pushers showed 36 convictions. Conduct a right-tailed test, at a = 0.05 level of significance, to see if the proportion %3D of conviction rates has increased under Hanna Swift Using the information in Exhibit 1, based on the computed test statistic or p-value, our decision will be O fail to reject the Ho, and conclude that the proportion has increased fail to reject the Ho, and conclude that the proportion has not increased. O to reject the Ho, and concluding that the proportion has increased. to reject the Ho, and conclude that the proportion has decreased
Transcribed Image Text:Exhibit 1- "Currently, only 20% of arrested drug pushers are convicted," cried candidate Hannah Swift in a campaign speech. "Elect me and you'll see a big increase in convictions." A year aftér her election victory, a random sample of 144 case files of arrested drug pushers showed 36 convictions. Conduct a right-tailed test, at a = 0.05 level of significance, to see if the proportion %3D of conviction rates has increased under Hanna Swift Using the information in Exhibit 1, based on the computed test statistic or p-value, our decision will be O fail to reject the Ho, and conclude that the proportion has increased fail to reject the Ho, and conclude that the proportion has not increased. O to reject the Ho, and concluding that the proportion has increased. to reject the Ho, and conclude that the proportion has decreased
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