SCENARIO 12-18
The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following:
She will use this information to perform test using a level of significance of 0.05.
-Referring to Scenario 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.What should be her conclusion?
A)There is sufficient evidence that the proportion of employees who use the service before the campaign is the same as the proportion of employees who use the service after the campaign.
B)There is insufficient evidence that the proportion of employees who use the service before the campaign is the same as the proportion of employees who use the service after the campaign.
C)There is sufficient evidence that the proportion of employees who use the service before the campaign is not the same as the proportion of employees who use the service after the campaign.
D)There is insufficient evidence that the proportion of employees who use the service before the campaign is not the same as the proportion of employees who use the service after the campaign.

Question

SCENARIO 12-18
The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following:
  She will use this information to perform test using a level of significance of 0.05.
-Referring to Scenario 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.What should be her conclusion?
A)There is sufficient evidence that the proportion of employees who use the service before the campaign is the same as the proportion of employees who use the service after the campaign. 
B)There is insufficient evidence that the proportion of employees who use the service before the campaign is the same as the proportion of employees who use the service after the campaign. 
C)There is sufficient evidence that the proportion of employees who use the service before the campaign is not the same as the proportion of employees who use the service after the campaign. 
D)There is insufficient evidence that the proportion of employees who use the service before the campaign is not the same as the proportion of employees who use the service after the campaign.

Quizplus · Accepted Answer

The Answer of SCENARIO 12-18
The director of transportation of a large company is interested in the usage of the company's van pool program.She surveyed 129 of her employees on the usage of the program before and after a campaign to convince her employees to use the service and obtained the following:
  She will use this information to perform test using a level of significance of 0.05.
-Referring to Scenario 12-18,the director now wants to know if the proportion of employees who use the service before the campaign and the proportion of employees who use the service after the campaign are the same.What should be her conclusion?
A)There is sufficient evidence that the proportion of employees who use the service before the campaign is the same as the proportion of employees who use the service after the campaign. 
B)There is insufficient evidence that the proportion of employees who use the service before the campaign is the same as the proportion of employees who use the service after the campaign. 
C)There is sufficient evidence that the proportion of employees who use the service before the campaign is not the same as the proportion of employees who use the service after the campaign. 
D)There is insufficient evidence that the proportion of employees who use the service before the campaign is not the same as the proportion of employees who use the service after the campaign.

SCENARIO 12-18 The Director of Transportation of a Large Company Is Interested