For questions 13-15. On the average, male drinks 2 liters when active outdoors with a standard deviation of 0.7 liter. You are planning a full day nature trip for 45 men and will bring 100 liters of water. 13. What is the value of the sample mean ? С. 2.85 D. 100 А.2 В. 2.22 14. What is the value of the standard error? A. 0.1 В. 0.7 С.2 D. 45 15. What is the probability that you will run out of water? A. 0% С. 12.35% В. 1.39% D. 100%

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