7. A poll taken during the recession in 2008 asked 600 adults a series of questions about the state of the economy and their children's future. One question was, "Do you expect your children to have a better life than you have had, a worse life, or a life about the same as yours?" The responses showed 242 better, 310 worse, and 48 about the same. a. Use the sign test and alpha = 0.05 to determine whether there is a difference between the number of adults who feel their children will have a better life compared to a worse life. b. What is your conclusion?

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