Statistics Assignment More Hypothesis Tests for Means Page 1 of 2 1. Write a null and an alternative hypothesis for each of the following. Be sure to state each hypothesis in the context of the problem. A. A forestry textbook claims that the mean age of pine trees in Colorado is 30 years. You think the age is greater than that. (2 points) B. A brochure on anti-aging cream states that the mean age of people in the United States is 75 years. You doubt the claim, and you think it's greater because the information is out of date and the population of the elderly is growing. (2 points) C. A fisheries report states that the mean weight of trout in Lake Standarderror is 3.4 pounds. You think the information is out of date, and that the population may have changed. (2 points) D. Acme Caterpillar Farm claims the mean length of their award-winning caterpillars is 8 centimeters. You've seen their caterpillars and you think the mean length must be shorter. (2 points)