Question

What is the margin of error for a yes/no survey of 200 people with a proportion of 65% who answered "yes"?

Select one of the options below as your answer:



A.
±3.37%




B.
±5.06%




C.
±6.75%




D.
±8.43%




E.
±10.12%

Answer 1

\[E=\sqrt{\frac{pq}{n}}\]

Answer 2

in this case, p = .65, q = 1-p, and the (n)umber of the sample size is 200