Alan learned a total of 10 appetizer recipes over the course of 2 weeks of culinary school. After how many weeks of culinary school will Alan know a total
of 15 appetizer recipes? Assume the relationship is directly proportional.

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