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In a certain animal population, for each of the first 3 [#permalink]
21 Jan 2005, 07:36
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In a certain animal population, for each of the first 3 months of life, the probability that an animal will die during that month is 1/10. For a group of 200 newborn members of the population, approximately how many would be expected to survive the first 3 months of life?
Last edited by qhoc0010 on 21 Jan 2005, 12:18, edited 1 time in total.