The use of cellular phones in automobiles has increased dramatically in the last few years. Of concern to traffic experts, as well as manufacturers of cellular phones, is the effect on accident rates. Is someone who is using a cellular phone more likely to be involved in a traffic accident? What is your conclusion from the following sample information? Use the .05 significance level. Which of the following finding is correct ? Had Accident in the Last Year Did Not Have an Accident in the Last Year Uses a cell phone 25 300 Does not use a cell phone 50 400

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The use of cellular phones in automobiles has increased dramatically in the last few years. Of concern to traffic experts, as well as manufacturers of cellular phones, is the
effect on accident rates. Is someone who is using a cellular phone more likely to be involved in a traffic accident? What is your conclusion from the following sample information?
Use the .05 significance level. Which of the following finding is correct ?
Had Accident
in the Last Year
Did Not Have an
Accident in the Last
Year
Uses a cell phone
Does not use a cell phone
25
300
50
400
Select one:
a.H1: A relationship between phone use and accidents , Reject Ho if x2 > 9.488
O b.Ho: No relationship between phone use and accidents , Reject Ho if x² > 5.991
O C.Ho: No relationship between phone use and accidents , Reject H, if x² > 3.841
O d.H1: No relationship between phone use and accidents , Reject Ho if x² > 1.96
O e.Ho: A relationship between phone use and accidents , Reject Ho if x² > 3.841
Transcribed Image Text:The use of cellular phones in automobiles has increased dramatically in the last few years. Of concern to traffic experts, as well as manufacturers of cellular phones, is the effect on accident rates. Is someone who is using a cellular phone more likely to be involved in a traffic accident? What is your conclusion from the following sample information? Use the .05 significance level. Which of the following finding is correct ? Had Accident in the Last Year Did Not Have an Accident in the Last Year Uses a cell phone Does not use a cell phone 25 300 50 400 Select one: a.H1: A relationship between phone use and accidents , Reject Ho if x2 > 9.488 O b.Ho: No relationship between phone use and accidents , Reject Ho if x² > 5.991 O C.Ho: No relationship between phone use and accidents , Reject H, if x² > 3.841 O d.H1: No relationship between phone use and accidents , Reject Ho if x² > 1.96 O e.Ho: A relationship between phone use and accidents , Reject Ho if x² > 3.841
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