The lengths of pregnancies in a small rural village are normally distributed with a m 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 31 from this population, in what range woule 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 decima Question Help: DPost to forum Submit Question

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