The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 12 days.
In what range would you expect to find the middle 50% of most pregnancies? Round each answer to the nearest day.
Between ______ and ________
If you were to draw samples of size 52 from this population, in what range would you expect to find the middle 50% of most averages for the lengths of pregnancies in the sample? Round each answer to the nearest tenth of a day.
Between _________ and __________
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