The percent of licensed U.S. drivers (from a recent year) that are female is 48.60. Of the females, 5.03% are age 19 and under; 81.36% are age 20-64; 13.61% are age 65 or over. Of the licensed U.S. male drivers, 5.04% are age 19 and under; 81.43% are age 20-64; 13.53% are age 65 or over. Complete the following.
(a) How many would you expect to be male?
(b) Using the table or tree diagram, construct a contingency table of gender versus age group.
(c) Using the contingency table, find the probability that out of the age 20–64 group, a randomly selected driver is female.
