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1. When it is operating properly, a chemical plant has a mean daily production of at least 740 tons. The output is measured on a

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1. When it is operating properly, a chemical plant has a mean daily production of at least 740 tons. The output is measured on a simple random sample of 60 days. The sample had a mean of 715 tons/ day and a standard deviation of 24 tons/day. Use a hypothesis test to determine that the mean daily production is less than 740 tons

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