Y=x +2 and y= -3x y=-x - 2 and 2x-3y = -9 y= 2x -1 and y= x +1 x-2y = -25 and 3x -y = 0

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