When not interrupted artifi cially the duration of human pregnancies
When not interrupted artifi cially, the duration of human pregnancies can be described, we’ll assume, by a mean of 9 months ( 270 days) and a standard deviation of one- half month ( 15 days).
(a) Between what two times, in days, will a majority of babies arrive?
(b) A small minority of all babies will arrive sooner than ______?
(c) A small minority of all babies will arrive later than ______?
(d) In a paternity suit, the suspected father claims that since he was overseas during the entire 10 months prior to the baby’s birth, he could not possibly be the father. Any comment?
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