The lengths of pregnancies in a small rural village are normally distributed with a mean of 269 days and a standard deviation of 12 days. Your answers should be accurate to 1 decimal place. In what range would you expect to find the middle 98% of most pregnancies? Between and . If you were to draw samples of size 43 from this population, in what range would you expect to find the middle 98% of most averages for the lengths of pregnancies in the sample? Between and .