1. A woman wrote to Dear Abby, saying that she had been pregnant for 310 days before...
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1. A woman wrote to Dear Abby, saying that she had been pregnant for 310 days before giving birth [24]. Completed pregnancies are normally distributed with a mean of 266 days and a standard deviation of 16 days. What is the probability that a completed pregnancy lasts at least 310 days.
2. Explain why this is misleading:
In 70 percent of all traffic accidents, the driver is less than 10 miles from home. These data show that drivers who are close to home feel safe and tend to relax and pay less attention when they are, in fact, most likely to have an accident.
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