The lengths of pregnancies in a small rural village are normally distributed with a mean of 270.2 days and a standard deviation of 15.4 days.
In what range would you expect to find the middle 68% of most pregnancies?
Between and .
Enter your answers as numbers. Your answers should be accurate to 1 decimal places.
In what range would you expect to find the middle 68% of most pregnancies?
Between and .
Enter your answers as numbers. Your answers should be accurate to 1 decimal places.