(S 7.2) If one assumes that the gestational age is normally distributed with mean 272 days...

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(S 7.2) If one assumes that the gestational age is normally distributed with mean 272 days and standard deviation 17 days, what proportion of births would be considered pre-term (less than 33 weeks)? 0.0063 0.0079 0.0071 0.7024 (S 7.2) If one assumes that the gestational age is normally distributed with mean 272 days and standard deviation 17 days, what proportion of births would be considered pre-term (less than 33 weeks)? 0.0063 0.0079 0.0071 0.7024