Mathematics, 17.11.2020 05:40 allanarayos5597
A manufacturer claims that a new snowmaking machine can save money for ski resort owners. He states for a sample of 10 tons, the cost of making a ton of snow was $2.25. The average of the old machine was $2.62. The standard deviation of the sample was $1.05. At a=0.10, does the new machine save money?
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A manufacturer claims that a new snowmaking machine can save money for ski resort owners. He states...
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