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Studies have shown that drivers who use cell phones while operating a motor passenger vehicle increase their risk

of an accident. In a sample of 256 cases of novices using a cell phone while driving, 42 resulted in a crash (or near crash). In a sample of 600 cases of experts using cell phones while driving, 97 resulted in a crash (or near crash).

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3) 80% confidence interval for novice drivers =... View the full answer

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