Choose 3 out of the 10 fermi problems below and answer in complete sentences. justify your answer with math, facts, and/or reasoning.
d. how many songs are played on your favorite radio station in a given year?
h. how many gallons of gasoline do cars use each year in the united states?
j. how many minutes will u. s. high school students spend texting on their cell phones during the next year?
4. what other methods could be used to estimate the size of a large crowd?
describe how and why the crowd size estimate supplied by event organizers might differ from estimates made by other groups.
5. in solving real-world problems such as estimating a crowd size, the number
of possible telephone numbers, or the answer to a fermi question, why is it necessary to first make some reasonable assumptions about the situation?