4. A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first...

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4. A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first...

4. A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first accompanying data table, the distribution shows the proportion of fatalities by location of injury for motorcycle accidents. The second data table shows the location of injury and fatalities for

2084

Use

alpha=0.05

level of significance. What are the null and alternative hypotheses?

riders not wearing a helmet. Complete parts (a) through (c) below.

Location of injury	Observed Count	Expected Count
Multiple Locations	1049
Head	866
Neck	3535
Thorax	89
Abdomen/Lumbar/Spine	45

find the expected count

find the x^2

find the p value

math Statistics-And-Probability

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A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first accompanying...

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