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JayDelV

  • one year ago

There are 40 volunteers for the research study on the Power Pill. Each subgroup of the study will contain 10 participants. Determine how many ways these participants can be selected and explain your method.

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  1. anonymous
    • one year ago
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    (40*39*38......*30)*4

  2. Vocaloid
    • one year ago
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    use the combination formula nCr = n!/(r!*(n-r)!) where n = 40 and r = 10

  3. JayDelV
    • one year ago
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    Can you explain the ! to me?

  4. Vocaloid
    • one year ago
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    ! means factorial examples: 5! = 5*4*3*2*1 3! = 3*2*1 and so on...

  5. anonymous
    • one year ago
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    How are you asking such question and you do not know what does factorial mean. Why do you go to school man stay at home

  6. JayDelV
    • one year ago
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    I'm taking a virtual course in a foreign country right now and I'm on a deadline so I'm rushing through this. I don't need your slick remarks because clearly you are seeing me trying to learn how to do this.

  7. anonymous
    • one year ago
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    How old are you?

  8. JayDelV
    • one year ago
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    None of your concern.

  9. JayDelV
    • one year ago
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    @Vocaloid I can't find the answer to the solution

  10. JayDelV
    • one year ago
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    Equation *

  11. anonymous
    • one year ago
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    Sorry for bothering you but i cant endure fool in maths its not in my control sorry bro

  12. anonymous
    • one year ago
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    Fools*

  13. JayDelV
    • one year ago
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    Grow up

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spraguer (Moderator)
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