Chet is a salesman whose base pay plus comissions amounted to $48,560 last year. if his base was $22,380 and he made $74,800 in sales last year, what was his rate of comission?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96