A Human Resources Manager at a Large Company Wants to Estimate

Multiple Choice

A human resources manager at a large company wants to estimate the proportion of employees that would be interested in reimbursement for college courses.If she wishes to be 95% confident that her estimate is within 5% of the true proportion, how many employees would need to be sampled?

A) 271
B) 385
C) 543
D) 646
E) 1234