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anonymous

  • one year ago

Event A: stops on red Event B: stops on yellow Find P(A or B).

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  1. anonymous
    • one year ago
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    @heretohelpalways

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  2. anonymous
    • one year ago
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    I am here again

  3. anonymous
    • one year ago
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    lol is it 1/2

  4. anonymous
    • one year ago
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    Count how many pieces of the circle there are

  5. anonymous
    • one year ago
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    12

  6. anonymous
    • one year ago
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    there are 12

  7. anonymous
    • one year ago
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    how many red are there?

  8. anonymous
    • one year ago
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    3

  9. anonymous
    • one year ago
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    so 3/12

  10. anonymous
    • one year ago
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    and simplify that

  11. anonymous
    • one year ago
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    to 1/4

  12. anonymous
    • one year ago
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    so 1/4 for the first one, red

  13. anonymous
    • one year ago
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    nonono then it lands on yellow so 6/12 and then 1/2

  14. anonymous
    • one year ago
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    right?

  15. anonymous
    • one year ago
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    is it asking for the probability of it landing on either?

  16. anonymous
    • one year ago
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    no both if you look at it first red than yello so 3/12 + 3/12 so 6/12 = 1/2

  17. anonymous
    • one year ago
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    I am not sure what it is asking

  18. Zarkon
    • one year ago
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    1/2 is correct

  19. anonymous
    • one year ago
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    because it is 3/12 if it lands on red, and 3/12 if it lands on yellow, so I guess 1/2 would be correct

  20. Zarkon
    • one year ago
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    A and B are mutually exclusive so P(A or B)=P(A)+P(B)

  21. anonymous
    • one year ago
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    :) thanks

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