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The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 14 days.

The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 14 days.

In what range would you expect to find the middle 98% of most pregnancies?

Between__?___and__?__.

If you were to draw samples of size 57 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__?__and__?__.

Enter your answers as numbers. Your answers should be accurate to 1 decimal places.

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