In one year, you meet 52 people who are each unemployed for…

In one year, you meet 52 people who are each unemployed for one week and eight people who are each unemployed for the whole year. What percentage of the unemployment spells you encountered ended within one week and therefore was short term, and what percentage of the unemployment you encountered in a given week was long term?

You are watching CSI with your grandmother. One of the ‘scie…

You are watching CSI with your grandmother. One of the ‘scientists’ reports that they have dated a woolly mammoth bone to be 2 million years old using Carbon-14 radiometric dating. Your grandmother turns to you and asks, “Can they really do that?” Since you know the half-life of Carbon-14 is ~5000 years, what do you say to her?