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 500 newborn members of the population, approximately how many would be expected to survive the first 3 months of life?\nOptions:\n(A) 340\n(B) 346\n(C) 352\n(D) 365\n(E) 370 Now, let's think a bit. Some random thoughts:
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Number of newborns that can die in first month = 1/10 * 500 = 50\nSurvived = 450\nNumber of newborns that can die in second month = 1/10 * 450 = 45\nSurvived = 405\nNumber of newborns that can die in third month = 1/10 * 405 = 40\nSurvived = 365
The final answer: (D).
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