1. Summation Notation

2. Terminology k –index of summation 1- lower limit n-upper limit

3. Examples

4. Use Summation Notation Let E 1, E 2, …, E n mutually exclusive events. The probability of the union of events

5. Properties for Summation 1. 2. 3.

6. Properties (continued) 4. 5. can be used only when your lower index is 1 6.

7. More Properties 7. 8.

8. Exercises-1 Find the sum (Using Excel) 1. 2.

9. Exercises-2 Calculate the sums indicated below: 3. 4. 5.

10. Exercises-3 Write the sum using summation notation 6.