Which expression is equivalent to −5a−40?

Select one:

5(a−8)

−5a(−40)

−5(a−40)

−5(a+8)

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