A report states 65% of working-age adults either have a job or are looking for a job.

This is called the labor force. A marketing company asks 120 working-age people if

they are in the labor force.

a) What is the probability that less than 60% of those surveyed are members of the

labor force?

b) What is the probability that our sample shows between 60% and 75% are members

of the labor force?