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7 June, 02:21

The number of marbles of different colors stored in a hat is listed below:

8 red marbles

10 green marbles

6 blue marbles

Without looking in the hat, Tessa takes out a marble at random. She replaces the marble and then takes out another marble from the hat. What is the probability that Tessa takes out a blue marble in both draws?

fraction 1 over 16

fraction 1 over 12

fraction 1 over 4

fraction 1 over 2

It's not 1/4 because I tried that.

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Answers (1)
  1. 7 June, 02:26
    0
    There is a 1/4 chance of getting the Blue Marble out of the bag. But when it is 2 in a row you have to multiply your chances so it would be 1/4 * 1/4 or 1/16
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