Question

4. Complete the following mathematical statements about the properties of a PDF by inserting in the boxes on the left the correct item number from the right. Assume that X is a series of annal occurrences from a normal distribution. (a)f(x)dx -D 1. Zero 2. Unity 3. Value with 5% chance of exceedance each year (b)/f(x)dx D f(x)dx 0.34 ia (d)/(x)dxO 4. 0.68 TN (e) f(x)dx 0.5 5. Value expected every 50 years on the average f(x)dx- 6. P(X m) (gx)dx 0.02 (h)f(x)dx-D f(x)dxO 9. Mediarn j)f()dx 0.95 10. Standard deviation

Answer 1