Pearson Parsons
06/09/2024 · Middle School
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 \( 98 \% \) of most pregnancies? Between 240 If you were to draw samples of size 51 from this population, in what range would you expect to find the middle \( 98 \% \) of most averages for the lengths of pregnancies in the sample? Between Enter your answers as numbers. Your answers should be arcurate to 1 decimal places.
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Individual pregnancies: Between 235.7 and 296.3 days.
Sample averages: Between 261.8 and 270.3 days.
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