Zoe paid $18.60 in sales tax for dinner. the sales tax is 11% and she tipped 20% (the sales tax does not apply to the tip, and the tip is based on the price of the dinner before sales tax.) what was the price of zoe’s dinner, before sales tip and tax?

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