6(2x-11)+15=21 6(2x-11)=21-15

6(2x-11)=6

2x-11=6/6

2x-11=1

2x=1+11

2x=12

x=12/2

x=6

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