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Module 9 Homework Score: 20.33/40 11/20 answered Question 14 A shareholders' group is lodging a protest against your company. The shareholders group claimed that the

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Module 9 Homework Score: 20.33/40 11/20 answered Question 14 A shareholders' group is lodging a protest against your company. The shareholders group claimed that the mean tenure for a chief exective office (CEO) was at least 8 years. A survey of 79 companies reported in The Wall Street Journal found a sample mean tenure of 6,4 years for CEOs with a standard deviation of s = 5.6 years (The Wall Street Journal, January 2, 2007). You don't know the population standard deviation but can assume it is normally distributed. You want to formulate and test a hypothesis that can be used to challenge the validity of the claim made by the group, at a significance level of a = 0.001. Your hypotheses are: H. : H 2 8 Hap

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