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26 June, 18:25

A bag contians 5 blue and 8 red and 7 green marbels. A marble is selacted at random. Find the propobility the marbelis not red.

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Answers (2)
  1. 26 June, 18:27
    0
    33%

    Step-by-step explanation:

    This is because there are three different types and 33 x 3 = 99 and that is close to 100%.
  2. 26 June, 18:39
    0
    Total number of marbles = 5 + 8 + 7 = 20

    Total number of non-red marbles = 5 + 7 = 12

    P (not red) = 12/20 = 3/5

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    Answer: 3/5
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