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The lengths of pregnancies in a small rural village are normally distributed with a mean of...

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Statistics

The lengths of pregnancies in a small rural village are normallydistributed with a mean of 266 days and a standard deviation of 13days.

In what range would we expect to find the middle 95% of mostlengths of pregnancies? Then Round the answer to one decimalplace to find the answer..

Between ? and ? days.

If we were to draw samples of size 38 from this population, in whatrange would we expect to find the middle 95% of most averages forthe lengths of pregnancies in the sample? Then Round the answerto one decimal place to find the answer. .

Between ? and ? days.

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