Question
A factory that manufactures screws is performing a quality control experiment. Each object should have a length of no more than 20 centimeters. The factory
A factory that manufactures screws is performing a quality control experiment. Each object should have a length of no more than 20 centimeters. The factory believes that the length of the screws exceeds this value and measures the length of 84 screws. The sample mean screw length was 20.03 centimeters. The population standard deviation is known to be =0.29 centimeters. What is the null hypothesis? What is the alternative hypothesis?
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Practical Linear Algebra A Geometry Toolbox
Authors: Gerald Farin, Dianne Hansford
3rd Edition
1466579587, 9781466579583
