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watermelon26

  • 3 years ago

You are rolling two dice at the same time. What is the probability of rolling a sum of 6 or 7?

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  1. myko
    • 3 years ago
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    what do you mean by sum of 6 and 7? two 6 or two 7?

  2. cinar
    • 3 years ago
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    |dw:1336326707593:dw|

  3. pastory
    • 3 years ago
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    p(e)=7+6=13

  4. cinar
    • 3 years ago
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    \[P(6\cup7)=P(6)+P(7)-P(6n7)\]

  5. cinar
    • 3 years ago
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    |dw:1336326941869:dw|

  6. sheg
    • 3 years ago
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    Dice 1 2 3 4 5 6 1 2 3 4 5 6 7 2 3 4 5 6 7 8 3 4 5 6 7 8 9 4 5 6 7 8 9 10 5 6 7 8 9 10 11 6 7 8 9 10 11 12 now in this 6 comes 5 times and 7 comes 6 times and total sample space is 36 so probability of 6or,7 is 11/36

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