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 and fatalities for 2070 riders not wearing a helmet. Proportion of fatalities by location of injury for motorcycle accidents Location of injury Multiple locations Head Neck Thorax Abdomen/ Lumbar/ Spine Full data set Proportion 0.570 0.310 0.030 0.060 0.030 Location of injury and fatalities for 2044 riders not wearing a helmet Location of injury Multiple locations Head Neck Thorax Abdomen/ Lumbar/ Spine Number 1024 850 34 87 49 Compute the expected counts for each fatal injury. Location of injury Observed Count Expected Count Multiple Locations 1024 ? Head 850 ? Neck 34 ? Thorax 87 ? Abdomen/Lumbar/Spine 49 ? (Round to two decimal places as needed.) What is the P-value of the test? P-value=_____? (Round to three decimal places as needed.)
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 and fatalities for 2070 riders not wearing a helmet. Proportion of fatalities by location of injury for motorcycle accidents Location of injury Multiple locations Head Neck Thorax Abdomen/ Lumbar/ Spine Full data set Proportion 0.570 0.310 0.030 0.060 0.030 Location of injury and fatalities for 2044 riders not wearing a helmet Location of injury Multiple locations Head Neck Thorax Abdomen/ Lumbar/ Spine Number 1024 850 34 87 49 Compute the expected counts for each fatal injury. Location of injury Observed Count Expected Count Multiple Locations 1024 ? Head 850 ? Neck 34 ? Thorax 87 ? Abdomen/Lumbar/Spine 49 ? (Round to two decimal places as needed.) What is the P-value of the test? P-value=_____? (Round to three decimal places as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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 and fatalities for 2070 riders not wearing a helmet.
Proportion of fatalities by location of injury for motorcycle accidents
|
Location of injury
|
Multiple locations
|
Head
|
Neck
|
Thorax
|
Abdomen/ Lumbar/ Spine
|
Full data set
|
|---|---|---|---|---|---|---|
|
Proportion
|
0.570
|
0.310
|
0.030
|
0.060
|
0.030
|
Location of injury and fatalities for 2044 riders not wearing a helmet
|
Location of injury
|
Multiple locations
|
Head
|
Neck
|
Thorax
|
Abdomen/ Lumbar/ Spine
|
|---|---|---|---|---|---|
|
Number
|
1024
|
850
|
34
|
87
|
49
|
Compute the expected counts for each fatal injury.
|
Location of injury
|
Observed Count
|
Expected Count
|
|---|---|---|
|
Multiple Locations
|
1024
|
? |
|
Head
|
850
|
? |
|
Neck
|
34
|
? |
|
Thorax
|
87
|
? |
|
Abdomen/Lumbar/Spine
|
49
|
? |
(Round to two decimal places as needed.)
What is the P-value of the test?
P-value=_____?
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