Top management of a large multinational corporation wants to create a culture of innovativeness and change. A consultant hired to assess the company's organizational Culture finds that only 15% of employees are open to new ideas and approaches toward Their work. Consequently the company conducts a program for employees in order to Reinforce the new corporate philosophy. Based on data collected after the program, the Finds the 95% confidence interval for the proportion of all employees open to new ideas To be 18% to 22%. What should the company conclude?
A) The null hypothesis should not be rejected.
B) There is no evidence to suggest that the program improved employees' attitudes Toward innovativeness and change.
C) There is evidence that the program improved employees' attitudes toward Innovativeness and change.
D) Both A and B.
E) Both A and C.

Question

Quizplus · Accepted Answer

The 95% confidence interval does not overlap with the initial percentage of 15%, which indicates a statistically significant increase in the proportion of employees who are open to new ideas. Therefore, there is evidence that the program improved employees' attitudes toward innovativeness and change. Option A is incorrect because the null hypothesis would be rejected if the confidence interval did overlap with 15%. Option B is incorrect because the confidence interval suggests that there is evidence to support the effectiveness of the program. Option D is incorrect because option C is the correct answer.

Top Management of a Large Multinational Corporation Wants to Create