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Mathematics, 07.03.2020 04:21 Ronatalawrence828
N a packing plant, one of the machines packs jars into a box. A sales rep for a packing machine manufacturer comes into the plant saying that a new machine he is selling will pack the jars faster than the old machine. To test this claim, each machine is timed for how long it takes to pack 10 cartons of jars at randomly chosen times. Given a 99% confidence interval of (-8.6, -3.08) for the true difference in average times to pack the jars (old machine - new machine), what can you conclude from this interval?
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N a packing plant, one of the machines packs jars into a box. A sales rep for a packing machine manu...
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