Five years ago,a company found that 8% of its employees commuted to work by car.A test for the current proportion of commuting employees was done on a random sample of 1000 employees,and found car commuting to be 12%.Create a 95% confidence interval for the proportion of employee commute by car.
A) Based on the data,we are 95% confident the proportion of employee commute by car is between 8% and 16%.
B) Based on the data,we are 95% confident the proportion of employee commute by car is between 4.64% and 19.36%.
C) Based on the data,we are 95% confident the proportion of employee commute by car is between 6.32% and 13.68%.
D) Based on the data,we are 95% confident the proportion of employee commute by car is between 9.99% and 14.01%.
E) Based on the data,we are 95% confident the proportion of employee commute by car is between 6.32% and 9.68%.
Correct Answer:
Verified
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