Which of the following is rational a. 3*pi b. 2/3+9.26 c. sqrt of 45 + sqrt of 36 d.14. + 5.

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? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол