In the country of statland, the annual salary (in thousands of dollars) of all workers with a college degree has the distribution n(68, 102), and of all workers without a co degree, n(40,82). show your work. (a) randomly select one worker with a college degree and two workers without a college egree. find the probability that the worker with a college degree makes more than the combined salary of the two without the college degree. (b) randomly select one worker from each of the two groups. find the probability that e worker with a college degree makes at least $25,000 more than the one without the college degree. th (c) randomly select 100 workers from each of the two groups. find the probability that the average salary of 100 college graduates is at least $25,000 higher than the average of the 100 without a college degree.