Sally and dana take a walk in the park for every 5 strides that sally make dana makes 4 strides after sally makes 120 strides how much did dana make

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