Just giving out points. Have a good day!

True or false look at the picture pls : /

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

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?