Points 100 Submitting an external tool At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (6 points) Michael has a box of colored balls. It contains three red balls, four green balls, and five blue balls. Michael draws a ball at random from the box Let R denote the event that the ball he draws is red, and let B denote the event that the ball he draws is blue. What is Pr(R |B)? I What is Pr(R|B')? Enter your answers as whole numbers or fractions in lowest terms