Mathematics, 30.06.2019 01:40 Poohpooh8548

Scott is the owner of a tool and die shop. he has hired you to check his machine’s calibration prior to starting production on a large order. to check this, you set the machine to create 1.5 inch screws and manufacture a random sample of 200 screws. that sample of screws has an average length of 1.476 inches with a standard deviation of 0.203 inches. does this sample provide convincing evidence that the machine is working properly or should it be shut down for repairs?

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Scott is the owner of a tool and die shop. he has hired you to check his machine’s calibration prior...

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