The lengths of pregnancies in a small rural village are normally distributed with a mean of 266 days and a standard deviation of 13 days. In what range would you expect to find the middle 68% of most pregnancies? Between 253 days and 279 days. If you were to draw samples of size 33 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 264 days and 268 o days. Enter your answers as numbers to the nearest whole days

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For the original population of pregnancies with a mean of 266 days and a standard deviation of 13 da... View the full answer