Group work: Independent/Dependent and Conditional Probability
In a multiple choice exam, there are 5 questions and 4 choices for each question (a, b, c, d). Nancy has
not studied for the exam at all and decides to randomly guess the answers. What is the probability that

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters