CHALLENGE ACTIVITY 5.2.1: Hypothesis test for a population mean. 402216.1927122.qx3zqy7 Jump to level 1 A factory that manufactures screws is performing a quality control experiment. 2 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 3 length of 75 screws The sample mean screw length was 10.93 centimeters. The population standard deviation is known to be o = 0.19 centimeters. P What is the null hypothesis? Select Select What is the alternative hypoti =10.93 ct v 1211 H=11 1 2 4 Check Next Feedback? How was this section? B QI Provide feedbackCHALLENGE . . ACTIVITY I 52.1: HypotheSIs test for a population mean. U 4022iet927122qx3zqy7 Jump to level 1 '1' A factory that manufactures screws is performing a quality control experiment, '2' 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 '3' length of 75 screws. The sample mean screw length was 10.93 centimeters. The population standard deviation is known to be a = 0.19 centimeters. v What is the null hypothesis? Select What is the alternative hypothesis? Feedback