Assume game exponential function has a starting value of 11 and a decay rate of 0.69%. Write an equation to model the situation

(Type an expression using x as the variable. Use integers or decimals for any numbers in the expression)

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