Mathematics, 16.07.2019 03:10 stressedstudent1906
The environmental protection agency (epa) has collected data on lc50 measurements (concentrations that kill 50% of test animals) for certain chemicals likelyto be found in freshwater rivers and lakes. for certain species of fish, the lc50 measurements (in parts per million) for ddt in 12 experiments were as follows: 16,5,21,19,10,5,8,2,7,2,4,9 assume that the lc50 measurements have an approximately normal distribution. construct a 95% confidence interval for the true mean lc50 for ddt.
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Mathematics, 21.06.2019 19:00
Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180
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Mathematics, 21.06.2019 20:20
One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%
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Mathematics, 21.06.2019 22:30
What is the graph of the absolute value equation ? y=|x|-5
Answers: 1
The environmental protection agency (epa) has collected data on lc50 measurements (concentrations th...
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