Mathematics, 16.12.2019 20:31 leslieneilstric
In a winter of an epidemic flu, 2000 babies were surveyed by a well-known pharmaceutical company to determine if the company's new medicine was effective after two days. among 120 babies who had the flu and were given the medicine, 29 were cured within two days. among 280 babies who had the flu but were not given the medicine, 56 were cured within two days. is there any significant indication that supports the company's claim of the effectiveness of the medicine
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Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g
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In a winter of an epidemic flu, 2000 babies were surveyed by a well-known pharmaceutical company to...
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