The distance Train A travels is represented by y = 50x, where y is the distance in kilometers and x is the time in hours. The distance Train B travels at various times is shown in the table.

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