The average precipitation for the 8 months of the year 13.5 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 manthe 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

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