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help123please. Group Title

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  1. help123please. Group Title
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    • one year ago
  2. help123please. Group Title
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    @Mertsj

    • one year ago
  3. Mertsj Group Title
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    how many cards in all?

    • one year ago
  4. help123please. Group Title
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    10

    • one year ago
  5. Mertsj Group Title
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    How many red?

    • one year ago
  6. help123please. Group Title
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    4

    • one year ago
  7. Mertsj Group Title
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    What's the probability you will draw a red card?

    • one year ago
  8. help123please. Group Title
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    4/10?

    • one year ago
  9. Mertsj Group Title
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    Reduce it.

    • one year ago
  10. help123please. Group Title
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    ok 2/5

    • one year ago
  11. Mertsj Group Title
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    So you draw the red card, replace it and draw another card. What is the probability the next card you draw will be red?

    • one year ago
  12. help123please. Group Title
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    well, if you draw a red card thats 4/10, then if u replace it (put it back) the chances of getting a red card don't change

    • one year ago
  13. Mertsj Group Title
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    So why don't you just say 2/5?

    • one year ago
  14. help123please. Group Title
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    so the answer would be D?

    • one year ago
  15. Mertsj Group Title
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    Multiply those two probabilities.

    • one year ago
  16. help123please. Group Title
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    2 /5 x 2/5 = 4/25

    • one year ago
  17. Mertsj Group Title
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    yep

    • one year ago
  18. help123please. Group Title
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    tnx, i get it now.

    • one year ago
  19. Mertsj Group Title
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    yw

    • one year ago
  20. help123please. Group Title
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    :)

    • one year ago
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