The lengths of pregnancies in a small rural village are normally distributed with a mean of 270 days and a standard deviation of

Question

The lengths of pregnancies in a small rural village are normally distributed with a mean of 270 days and a standard deviation of 16 days.
In what range would you expect to find the middle 98% of most pregnancies?
If you were to draw samples of size 38 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?
Enter your answers as numbers. Your answers should be accurate to 1 decimal places.

Kunduz · Accepted Answer

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