In the Upcoming Governor's Election,the Most Recent Poll,based on 900 $\sigma _ { \bar { X } }$

Multiple Choice

In the upcoming governor's election,the most recent poll,based on 900 respondents,predicts that the incumbent will be reelected with 55 percent of the votes.What is $\sigma _ { \bar { X } }$
?

A) .00825
B) .0166
C) .0247
D) .0003