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anonymous

  • one year ago

Given an experiment, can you answer questions about the probability?

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  1. anonymous
    • one year ago
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    @Mehek14

  2. Mehek14
    • one year ago
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    yes

  3. anonymous
    • one year ago
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    can you give me questions about probability? @Mehek14

  4. Mehek14
    • one year ago
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    like make my own?

  5. anonymous
    • one year ago
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    sure.. or you can just get ones from the internet :)

  6. Mehek14
    • one year ago
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    ok.. A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

  7. anonymous
    • one year ago
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    ok now i need you to help me figure out the answer because i dont know how to answer probability questions :(

  8. Mehek14
    • one year ago
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    you have 2 red and 3 green so 5 are not blue over the total 7 so 5/7 are not blue

  9. anonymous
    • one year ago
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    oh ok give me more questions :)

  10. Mehek14
    • one year ago
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    Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

  11. anonymous
    • one year ago
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    ok now explain :)

  12. Mehek14
    • one year ago
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    multiples of 3 or 5 = 3, 6 , 9, 12, 15, 18, 5, 10, 20

  13. Mehek14
    • one year ago
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    so 9

  14. Mehek14
    • one year ago
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    9/20 are multiples of 3 or 5

  15. anonymous
    • one year ago
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    ok thanks you :)

  16. anonymous
    • one year ago
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    can you explain expected success :)

  17. Mehek14
    • one year ago
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    not sure about that one

  18. anonymous
    • one year ago
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    ok :)

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