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Mathematics, 12.03.2021 14:40 electrofy456

A certain process for removing copper from copper bearing ore had been in use for a period of time, and it is known that this process removes 36 pounds per ton on average. A new process that is supposed to increase the recovered amount is being tested. In a simple random sample of 100 batches of ore, an average of 42 pounds per ton were recovered using the new process. The population of interest in the study is:

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