THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 100

Short Answer

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A study was conducted to determine whether the use of seat belts in vehicles depends on ethnic status in Detroit.A sample of 1,000 people treated for injuries sustained from vehicle accidents was obtained,and each person was classified according to (1)ethnic status (African American or non-African American)and (2)set belt usage (worn or not worn)during the accident.The data are shown in the table below.
Ethnic Status

-At 5% level of significance,what is the critical value of the test statistic?

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Definitions:

Attention-Deficit/Hyperactivity Disorder

A neurodevelopmental disorder characterized by patterns of inattention, hyperactivity, and impulsivity that are pervasive and impair daily functioning.

Autism Spectrum Disorder

A developmental disorder characterized by deficits in social interaction, by impaired communication, and by restricted, repetitive behavior and interests.

Social Cues

Non-verbal or verbal hints that guide social interactions, such as facial expressions, body language, and vocal tones.

Autism Spectrum Disorder

A range of neurodevelopmental conditions characterized by challenges with social skills, repetitive behaviors, speech, and nonverbal communication.