The functions s and t are defined as follows. s(x) = -2x+2
t(x) = 2x² - 1
Find the value of s (t(2)).
s(t(2)) =
, I got -12 but I’m not sure.

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