THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A recent survey asked 124 purchasing managers what they thought would happen to inflation over the next quarter.Of those managers who thought the inflation rate would change,73 thought inflation would be higher,while 40 thought it would be lower.
-A production manager is interested in modeling the number of defects in a sheet of steel.After a production run of 260 sheets,the manager finds that the average number of defects per sheet is 1.2.In addition,he records the following frequencies:

Is there evidence at the 5% level of significance that the distribution of defects does not follow the Poisson distribution?

Question

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A recent survey asked 124 purchasing managers what they thought would happen to inflation over the next quarter.Of those managers who thought the inflation rate would change,73 thought inflation would be higher,while 40 thought it would be lower.
-A production manager is interested in modeling the number of defects in a sheet of steel.After a production run of 260 sheets,the manager finds that the average number of defects per sheet is 1.2.In addition,he records the following frequencies:
  
Is there evidence at the 5% level of significance that the distribution of defects does not follow the Poisson distribution?

Quizplus · Accepted Answer

The Answer of THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A recent survey asked 124 purchasing managers what they thought would happen to inflation over the next quarter.Of those managers who thought the inflation rate would change,73 thought inflation would be higher,while 40 thought it would be lower.
-A production manager is interested in modeling the number of defects in a sheet of steel.After a production run of 260 sheets,the manager finds that the average number of defects per sheet is 1.2.In addition,he records the following frequencies:
  
Is there evidence at the 5% level of significance that the distribution of defects does not follow the Poisson distribution?