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anonymous

  • 5 years ago

What are the odds against getting a sum of 5 when rolling a pair of dice?

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  1. anonymous
    • 5 years ago
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    draw out all the possible case, use complemenaty even

  2. anonymous
    • 5 years ago
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    event

  3. anonymous
    • 5 years ago
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    draw up a table , 6 x 6 and list 1,2,3,4,5,6 on the rows and columns of the table

  4. anonymous
    • 5 years ago
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    6 in 36

  5. anonymous
    • 5 years ago
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    then find all the possible sums

  6. anonymous
    • 5 years ago
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    okk.. 6?

  7. anonymous
    • 5 years ago
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    wrong

  8. anonymous
    • 5 years ago
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    fairly sure its 4/36

  9. anonymous
    • 5 years ago
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    if you draw up a table

  10. anonymous
    • 5 years ago
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    ok! because it cant be 5 by itself, so that eliminates 2 options, so it is 4.

  11. anonymous
    • 5 years ago
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    1+4, 2+3, 3+2, 4+1. 4 sorry, there are no zeros

  12. anonymous
    • 5 years ago
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    draw up a table :|

  13. anonymous
    • 5 years ago
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    i did

  14. anonymous
    • 5 years ago
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    chances of sum of 5 is 4/36 = 1/9 therefore chances of not getting a sum of 5 is 8/9 the complementary event

  15. anonymous
    • 5 years ago
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    thank you!

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