(05.05 MC) An ecological group suspects dolphins are consum…
(05.05 MC) An ecological group suspects dolphins are consuming dangerous levels of arsenic in a region of the world. Dangerous levels of arsenic are classified when they reach beyond 7.0 parts per million. A random sample of 28 dolphins in the region were tested and the data is shown in the stemplot. Key: 2|4 = 2.4 parts per million Part A: What proportion of the dolphins in the sample have dangerous levels of arsenic in their systems? (4 points)Part B: Construct and interpret a 99% confidence interval for the mean arsenic levels of the dolphins if the sample of 28 dolphins has a mean arsenic level of 5.26 parts per million and standard deviation of 1.49 parts per million. (6 points)(10 points)
Read DetailsReview the two plausible Lewis structures of HCN. Which str…
Review the two plausible Lewis structures of HCN. Which structure is the best representation of HCN. Provide a brief 2-3 sentence justification that explains how you arrived at your answer. (Final answer to this question must be included in the space below to receive credit)
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