This video is a review of the Probability 1 Module and includes three exercises. The first is the probability of choosing a non-blue marble from a bag with 9 red, 2 blue and 3 green marbles. The second is the probability of choosing a number divisible by 5 when selecting a number at random from a list of 12 numbers. The third is the probability of choosing a point in a specified smaller circle when selecting a point at random from a specified larger circle.