"half the sum of 10 and a number"? A. 1/2x + 10
B. 1/2(10)+ x
C. 1/2+10+x
D. 1/2(10+x)

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is