You work for an insurance company and are studying the relationship between types of crashes and the vehicles involved. As part of your​ study, you randomly select 3589 vehicle crashes and organize the resulting data as shown in the contigency table. At α=0.10​, can you conclude that the type of crash depends on the type of​ vehicle? Complete parts​ (a) through​ (d).   Vehicle   Type of crash Car Pickup Sport utility ​ Single-vehicle 866 323 340 ​ Multiple-vehicle 1145 487 428

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
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You work for an insurance company and are studying the relationship between types of crashes and the vehicles involved. As part of your​ study, you randomly select
3589
vehicle crashes and organize the resulting data as shown in the contigency table. At
α=0.10​,
can you conclude that the type of crash depends on the type of​ vehicle? Complete parts​ (a) through​ (d).
 
Vehicle
 
Type of crash
Car
Pickup
Sport utility
​ Single-vehicle
866
323
340
​ Multiple-vehicle
1145
487
428
 
 
 

Question content area bottom

Part 1
​(a) Identify the claim and state the null and alternative hypotheses.
 
H0​:
The type of crash and the type of vehicle are
 
independent
dependent
.
Ha​:
The type of crash and the type of vehicle are
 
dependent
independent
.
 
The
 
alternative hypothesis
null hypothesis
is the claim.
 
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