A highway department executive claims that the number of fata accidents which occur in her state varies from month to month. The results of a study of 120 fatal accidents were recorded.Is there enough evidence to reject the highway department executive's claim about the distribution of fatal accidents between each month at the 0.05 level of significance.

Observed Data:

Month

Jan

Feb

March

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Fatal Accidents

9

9

7

9

13

8

12

14

8

15

7

9

What is the expected value for each month?_