Answer:
B. 405
Step-by-step explanation:
Total Number of Respondents=900
From the prediction, 55% will vote for the President.
That means that:
100%-55%=45%
45% of the respondents indicated that they were undecided or would not vote for their current governor.
45% of 900 = 45/100 X 900
= 0.45 X 900
=405
Therefore 405 respondents indicated that they were undecided/would not vote for the incumbent.