The lengths of pregnancies in a small rural village are normally distributed with a mean of 270 days and a standard deviation of 15 days. In what range would you expect to find the middle 95% of most pregnancies? Between and . If you were to draw samples of size 51 from this population, in what range would you expect to find the middle 95% 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. .