What proportion of gestation periods expected to 10 months

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For human infants born weighing 5.5 pounds or more, the mean gestation period is 268 days, which is just less than 9 months. The standard deviation is 14 days (McKeown and Gibson, 1951).

What proportion of the gestation periods are expected to last 10 months or longer (300 days)?

Reference no: EM131384107

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