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-   -   If you have 3 white tiles, 3 gray tiles, and 3 striped tiles what is the probability (https://www.askmehelpdesk.com/showthread.php?t=566423)

  • Mar 29, 2011, 01:07 PM
    mashell
    if you have 3 white tiles, 3 gray tiles, and 3 striped tiles what is the probability
    if you have 3 white tiles, 3 gray tiles, and 3 striped tiles what is the probability of picking a gray tile and then picking a white tile?
  • Mar 29, 2011, 01:17 PM
    smoothy

    What's the formula for this?.
    How would you approach it.


    https://www.askmehelpdesk.com/financ...ard-25444.html
  • Mar 29, 2011, 01:29 PM
    mashell

    Thanks so much for your help I did try but could not get the answer that was one of the multiple choice answers I got 1/8 if it is without replacement which it does not say thanks for nothing
  • Mar 29, 2011, 10:34 PM
    Unknown008

    Well, the way to get this is:

    Probability to get 1 grey tile: 3/9 = 1/3

    there are 3 grey tiles and 9 tiles to pick from.

    Then, the probability to get 1 white tile = 3/8

    there are 3 white tiles and 8 tiles left total.

    The net probability is 1/3 * 3/8 = 1/8

    Which means, your answer is correct :)

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