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anonymous

  • one year ago

Jane has 38 marbles of the same shape and size in a box. The colors and amounts of the marbles are shown below: 14 white marbles 9 gray marbles 15 blue marbles Without looking in the box, Jane takes out a marble at random. She then replaces the marble and takes out another marble from the box. What is the probability that Jane takes out a gray marble in both draws? 9 / 38 x 8/ 37 = 72 / 1406 9 /38 + 8 / 37 = 637 / 1406 9 / 38 + 9 / 38 =684 / 1444 9 / 38 X 9 /38 =81 / 1444

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  1. anonymous
    • one year ago
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