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​

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 82E
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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 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​ region?

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