Apiggy bank contains only quarters and nickels, and there is a total of 60 coins. the total value of coins in the bank is 7.40. how many quarters are in the piggy bank?

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