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 contingency 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. H0: The type of crash and the type of vehicle are Ha: The type of crash and the type of vehicle are Determine the degrees of freedom. Find the critical value. Which region below is the correct rejection
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
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.
H0: The type of crash and the type of vehicle are
Ha: The type of crash and the type of vehicle are
Determine the degrees of freedom.
Find the critical value.
Which region below is the correct rejection region?
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