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Mathematics, 09.08.2021 20:30 AgarioEdit
the lengths of pregnancies are normally destributed with a mean of 269 days and a standard deviation of 15 days. a. find the probability of a pregnancy l;asting 308 days or longer. b. if the length of pregnancy is in the lowest 2% then baby is premature. find the length that separates premature babies from those who are not premature. g
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