4. To determine the effectiveness of a new traffic control system, the number of accidents that occurred at 12 dangerous intersections during four weeks before four weeks after the installation of the new system was observed, and the following data was obtained: 3 and 1 5 and 2 2 and 0 3 and 2 3 and 2 3 and 0 O and 2 4 and 3 1 and 3 6 and 4 4 and 1 1 and 0 Use the paired simple sign test at a=0.05 level of significance to test the null hypothesis that (µ) the new traffic control system is effective than the earlier system (u, ).

4. To determine the effectiveness of a new traffic control system, the number of accidents that occurred at 12 dangerous intersections during four weeks before four weeks after the installation of the new system was observed, and the following data was obtained: 3 and 1 5 and 2 2 and 0 3 and 2 3 and 2 3 and 0 O and 2 4 and 3 1 and 3 6 and 4 4 and 1 1 and 0 Use the paired simple sign test at a=0.05 level of significance to test the null hypothesis that (µ) the new traffic control system is effective than the earlier system (u, ).

Name: 4. To determine the effectiveness of a new traffic control system, th
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Description: 4. To determine the effectiveness of a new traffic control system, the number of accidentsthat occurred at 12 dangerous intersections during four weeks before four weeks after theinstallation of the new system was observed, and the following data wa

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 29E

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