The lengths of pregnancies in a small rural village are normally distributed with a mean of 267 days and a standard deviation of 12 days. In what range would you expect to find the middle 68% of most pregnancies? Between_________ and ___________ . If you were to draw samples of size 59 from this population, in what range would you expect to find the middle 68% 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.