Elsa saving money to buy a game so far she had saved $36 which is 3/4 of the total cost of the game how much does the game cost

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