Question: 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 600 newborn members of the population, approximately how many would be expected to survive the first 3 months of life?\nOptions:\n(A) 438\n(B) 446\n(C) 452\n(D) 462\n(E) 470 Random thoughts:
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Number of newborns that can die in first month = 1/10 *600 = 60\nSurvived = 540\nNumber of newborns that can die in second month = 1/10 * 540 = 54\nSurvived = 486\nNumber of newborns that can die in third month = 1/10 * 486 = 48\nSurvived = 438 The final answer: (A).
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