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Please answer question A. Assume that the duration of human pregnancies can be described by a normal model with mean 26? days and standard deviation

Please answer question A.

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Assume that the duration of human pregnancies can be described by a normal model with mean 26? days and standard deviation 14 days. Complete parts a) through d] below. a} What percentage of pregnancies should last between 255 and 230 days? |:% (Round to one decimal place as needed.)

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