SCENARIO 12-10
One criterion used to evaluate employees in the assembly section of a large factory is the number of defective pieces per 1,000 parts produced.The quality control department wants to find out whether there is a relationship between years of experience and defect rate.Since the job is repetitious,after the initial training period any improvement due to a learning effect might be offset by a loss of motivation.A defect rate is calculated for each worker in a yearly evaluation.The results for 100 workers are given in the table below.

-Referring to Scenario 12-10,what is the expected number of employees with less than 1 year of training time and a high defect rate?
A)4.17
B)4.60
C)5.28
D)9.17

Question

SCENARIO 12-10
One criterion used to evaluate employees in the assembly section of a large factory is the number of defective pieces per 1,000 parts produced.The quality control department wants to find out whether there is a relationship between years of experience and defect rate.Since the job is repetitious,after the initial training period any improvement due to a learning effect might be offset by a loss of motivation.A defect rate is calculated for each worker in a yearly evaluation.The results for 100 workers are given in the table below.
  
-Referring to Scenario 12-10,what is the expected number of employees with less than 1 year of training time and a high defect rate?
A)4.17 
B)4.60 
C)5.28 
D)9.17

Quizplus · Accepted Answer

The Answer of SCENARIO 12-10
One criterion used to evaluate employees in the assembly section of a large factory is the number of defective pieces per 1,000 parts produced.The quality control department wants to find out whether there is a relationship between years of experience and defect rate.Since the job is repetitious,after the initial training period any improvement due to a learning effect might be offset by a loss of motivation.A defect rate is calculated for each worker in a yearly evaluation.The results for 100 workers are given in the table below.
  
-Referring to Scenario 12-10,what is the expected number of employees with less than 1 year of training time and a high defect rate?
A)4.17 
B)4.60 
C)5.28 
D)9.17

SCENARIO 12-10 One Criterion Used to Evaluate Employees in the Assembly Section