Grace has made 2 gallons of punch that contains 50% juice she pours out some of the mixture and replaces it with 100% pure juice she now has 2 gallons of punch containing 65% juice how many gallons did Gracie pour our express your answer in as a common fraction. Please show work.

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