Mathematics, 04.12.2020 08:00 naomi12360
A factory that manufactures screws is performing a quality control experiment. Each object should have a length of no more than 11 centimeters. The factory believes that the length of the screws exceeds this value and measures the length of 81 screws. The sample mean screw length was 10.98 centimeters. The population standard deviation is known is known to be 0.28centimeters. What is the null hypothesis and what is the alternative hypothesis?
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A factory that manufactures screws is performing a quality control experiment. Each object should ha...
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