For numbers 5-8, refer to the following problem. The average precipitation for the first 8 months of the year is 18.35 inches with a standard deviation of 2.2 inches. Assume that the average...

Extracted text: For numbers 5-8, refer to the following problem. The average precipitation for the first 8 months of the year is 18.35 inches with a standard deviation of 2.2 inches. Assume that the average precipitation is normally distributed. 5. What is the average precipitation of 5 randomly selected years for the first 8 months? A. 18.35 inches B. 19.32 inches C. 19.35 inches D. 20 inches 6. What is the standard deviation of 5 randomly selected years for the first 8 months? A. 0.9720 B. 0.9837 C. 0.9839 D. 0.9930 7. What is the probability of 5 randomly selected years will have an average precipitation greater than 19 inches for the first month? A. 0.2454 B. 0.2546 C. 0.2645 D. 0.2735 8. What is the probability of 5 randomly selected years will have an average precipitation less than 17 inches for the first month? A. 0.9147 B. 0.4790 C. 0.2454 D. 0.0853