alternative hypotheses? A. Ho: The distribution of fatal injuries for riders not wearing a helmet foll H₁: The distribution of fatal injuries for riders not wearing a helmet do B. Ho: The distribution of fatal injuries for riders not wearing a helmet do H₁: The distribution of fatal injuries for riders not wearing a helmet do OC. None of these. Compute the expected counts for each fatal injury.
alternative hypotheses? A. Ho: The distribution of fatal injuries for riders not wearing a helmet foll H₁: The distribution of fatal injuries for riders not wearing a helmet do B. Ho: The distribution of fatal injuries for riders not wearing a helmet do H₁: The distribution of fatal injuries for riders not wearing a helmet do OC. None of these. Compute the expected counts for each fatal injury.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
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 and fatalities for 2073 riders not wearing a helmet. Complete parts (a) and (b) below.
Click the icon to view the tables.
S
alternative hypotheses?
A. Ho: The distribution of fatal injuries for riders not wearing a helmet foll
H₁: The distribution of fatal injuries for riders not wearing a helmet do
B. Ho: The distribution of fatal injuries for riders not wearing a helmet do
H₁: The distribution of fatal injuries for riders not wearing a helmet do
OC. None of these.
Compute the expected counts for each fatal injury.
Observed Count
Location of injury
Multiple Locations
1042
865
37
84
45
Head
Neck
Thorax
Abdomen/Lumbar/Spine
(Round to two decimal places as needed.)
Expected Count
Distribution of fatalities by location of injury
Proportion of fatalities by location of injury for motorcycle accidents
Abdomen/
Lumbar/
Neck
Spine
0.030
Location of
injury
Proportion
Multiple
locations
0.570
Location of
injury
Number
Head
0.310
Print
Location of injury and fatalities for 2073 riders not wearing a helmet
Multiple
locations
1042
Head
0.030
865
Thorax
0.060
37
Neck
Done
Thorax
84
Full data set
D
Abdomen/
Lumbar/
Spine
45
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