Find the Sample Size

Multiple Choice

Find the sample size.
-The unemployment rate of persons with a disability is typically higher than for those
With no disability. Recent statistics report that the national rate of unemployment among
This group is 14.5%. The local government of a small city wants to determine the rate in
Its region to within ±5%, with 90% confidence. How many individuals with disabilities
Should they sample?

A) 135
B) 191
C) 354
D) 678
E) 981