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What is the alternative hypothesis

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A factory that manufactures screws is performing a quality control experiment. Each object should have a length of no more than 14 centimeters. The factory believes that the length of the screws exceeds this value and measures the length of 50 screws. The sample mean screw length was 13.93 centimeters. The population standard deviation is known to be σ=0.13 centimeters.

What is the null hypothesis?

What is the alternative hypothesis?

Reference no: EM132903806

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