(Solution Library) The use of cellular phones in automobiles has increased dramatically in the last few years. Of concern to traffic experts, as well as
Question: 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. ls 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.
| Had accident | Didn't have an accident | |
| Uses a cell phone | 25 | 300 |
| Does not use a cell phone | 50 | 400 |
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