Amarketing agency conducts a random survey of 250 people living in a town. the survey finds that 15% of the people are 17 years old or younger; 20% are between 18 and 24 years old; 30% are between the ages of 25 and 49; and 35% are 50 years old or older. use these survey results to answer any questions that follow.

what inference can be made about the population as a whole?
a there are more 20-year-olds than 30-year-olds.
b more people are 50 years old than any other age.
c the majority of the population is less than 50 years old.
d there are more people under 24 years old than people over 50 years old.