18) college graduates about 34% of workers in the united states are college graduates. you randomly
select 50 workers and ask them if they are a college graduate. (source: u. s. bureau of labor statistics)
(a) find the probability that exactly 12 workers are college graduates.
(b) find the probability that more than 23 workers are college graduates.
(c) find the probability that at most 18 workers are college graduates.
(d) a committee is looking for 30 working college graduates to volunteer at a career fair. the committee
randomly selects 125 workers. what is the probability that there will not be enough college graduates?