The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days and a standard deviation of 12 days. in what range would you expect to find the middle 98% of most pregnancies? between and . if you were to draw samples of size 30 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 . enter your answers as numbers. your answers should be accurate to 1 decimal places.