According to accident statistics of a certain town over the last three years, the ten intersections having the highest number of accidents are shown in the table below together with the corresponding number of accidents and the total entering vehicles for each intersection. Identify the intersections that may be considered hazardous, using 95% level of confidence. Intersection No. Number of Accidents Daily Entering Vehicles 1 243 15,900 2 220 18,300 3 310 24,000 4 210 13,600 5 239 14,200 6 250 17,120 7 188 13,700 8 360 19,300 9 350 47,900 10 370 17,100

Structural Analysis
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Author:KASSIMALI, Aslam.
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Road Safety
According to accident statistics of a certain town over the last three years, the ten intersections having
the highest number of accidents are shown in the table below together with the corresponding number
of accidents and the total entering vehicles for each intersection. Identify the intersections that may be
considered hazardous, using 95% level of confidence.
Intersection No.
Number of Accidents
Daily Entering Vehicles
1
243
15,900
2
220
18,300
3
310
24,000
4
210
13,600
5
239
14,200
6
250
17,120
7
188
13,700
8
360
19,300
9
350
47,900
10
370
17,100
Transcribed Image Text:Road Safety According to accident statistics of a certain town over the last three years, the ten intersections having the highest number of accidents are shown in the table below together with the corresponding number of accidents and the total entering vehicles for each intersection. Identify the intersections that may be considered hazardous, using 95% level of confidence. Intersection No. Number of Accidents Daily Entering Vehicles 1 243 15,900 2 220 18,300 3 310 24,000 4 210 13,600 5 239 14,200 6 250 17,120 7 188 13,700 8 360 19,300 9 350 47,900 10 370 17,100
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