Look again at the distribution of ages in Problem before.

: 2.0 points

Each part is worth 1 point.

a) About what percent of the people were in their thirties? Round your answer to one decimal place.

unanswered

b) A common (though not universal) definition of "senior citizen" is "person over the age of 65". About what percent of the population were senior citizens? Round your answer to one decimal place.