The lengths of pregnancies in a small rural village are normally distributed with a mean of 264 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 50 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.
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