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Proportion of fatalities by location of injury for motorcycle accidents Abdomen/ Full data set Multiple locations Location of Head Neck Thorax Lumbar/ injury Spine Proportion 0.570 0.310 0.030 0.060 0.030 Location of injury and fatalities for 2045 riders not wearing a helmet Abdomen/ Location of Multiple Нead Neck Thorax Lumbar/ injury locations Spine Number 1027 854 32 87 45 Print Done

Proportion of fatalities by location of injury for motorcycle accidents Abdomen/ Full data set Multiple locations Location of Head Neck Thorax Lumbar/ injury Spine Proportion 0.570 0.310 0.030 0.060 0.030 Location of injury and fatalities for 2045 riders not wearing a helmet Abdomen/ Location of Multiple Нead Neck Thorax Lumbar/ injury locations Spine Number 1027 854 32 87 45 Print Done

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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i Distribution of fatalities by location of injury Proportion of fatalities by location of injury for motorcycle accidents Abdomen/ Location of Full data set Multiple locations Head Neck Thorax Lumbar/ injury Spine Proportion 0.570 0.310 0.030 0.060 0.030 Location of injury and fatalities for 2045 riders not wearing a helmet Abdomen/ Multiple locations Location of Head Neck Thorax Lumbar/ injury Spine Number 1027 854 32 87 45 Print Done
Transcribed Image Text:i Distribution of fatalities by location of injury Proportion of fatalities by location of injury for motorcycle accidents Abdomen/ Location of Full data set Multiple locations Head Neck Thorax Lumbar/ injury Spine Proportion 0.570 0.310 0.030 0.060 0.030 Location of injury and fatalities for 2045 riders not wearing a helmet Abdomen/ Multiple locations Location of Head Neck Thorax Lumbar/ injury Spine Number 1027 854 32 87 45 Print Done
A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first accompanying data table, the distribution shows the proportion of fatalities by location of injury for motorcycle accidents. The second data table shows the location of injury ar fatalities for 2045 riders not wearing a helmet. Complete parts (a) and (b) below. E Click the icon to view the tables. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use a = 0.01 level of significance. What are the null and alternative hypotheses? O A. H: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. H,: The distribution of fatal injuries for riders not wearing a helmet does follow the same distribution for all other riders. B. Ho: The distribution of fatal injuries for riders not wearing a helmet follows the same distribution for all other riders. H,: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. O C. None of these. Compute the expected counts for each fatal injury. Location of injury Multiple Locations Observed Count 1027 Expected Count Head 854 Neck 32 Thorax 87 Abdomen/Lumbar/Spine 45 (Round to two decimal places as needed.)
Transcribed Image Text:A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first accompanying data table, the distribution shows the proportion of fatalities by location of injury for motorcycle accidents. The second data table shows the location of injury ar fatalities for 2045 riders not wearing a helmet. Complete parts (a) and (b) below. E Click the icon to view the tables. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use a = 0.01 level of significance. What are the null and alternative hypotheses? O A. H: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. H,: The distribution of fatal injuries for riders not wearing a helmet does follow the same distribution for all other riders. B. Ho: The distribution of fatal injuries for riders not wearing a helmet follows the same distribution for all other riders. H,: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. O C. None of these. Compute the expected counts for each fatal injury. Location of injury Multiple Locations Observed Count 1027 Expected Count Head 854 Neck 32 Thorax 87 Abdomen/Lumbar/Spine 45 (Round to two decimal places as needed.)
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