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help123please.

  • one year ago

Of the student population at a school, 25% owns glasses, and 20% owns contact lenses. What is the probability that a student chosen at ransom will own both glasses and contacts?

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  1. help123please.
    • one year ago
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    @ParthKohli

  2. ParthKohli
    • one year ago
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    It's simply the multiplication of both. 25% * 20%

  3. help123please.
    • one year ago
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    Hmm - thanks. I got 0.05?

  4. ParthKohli
    • one year ago
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    Cool stuffz. Write that as a fraction

  5. theslytherinhelper
    • one year ago
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    5% or 1/20

  6. help123please.
    • one year ago
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    5/100?

  7. ParthKohli
    • one year ago
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    Yeah, or as thesly said, 1/20

  8. help123please.
    • one year ago
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    Hmm. Thanks to you both.

  9. ParthKohli
    • one year ago
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    @theslytherinhelper Yo, please don't give out the answers for questions. The pirate rulebook be in here: http://openstudy.com/code-of-conduct

  10. theslytherinhelper
    • one year ago
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    Welcome! ^_^ Although I'm certain ParthKohli did all the work here ;)

  11. ParthKohli
    • one year ago
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    lol, I just wrote a line.

  12. theslytherinhelper
    • one year ago
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    I just thought, because they knew the answer was 0.05... sorry!

  13. help123please.
    • one year ago
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    It's ok, thesly. And welcome to Openstudy!

  14. ParthKohli
    • one year ago
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    Yeah, I used to do that. It's fine!

  15. help123please.
    • one year ago
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    *sticks out hand* I'm 123; nice to meet you!

  16. ParthKohli
    • one year ago
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    *types an asterick*types an asterick again

  17. theslytherinhelper
    • one year ago
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    Nice to meet you too, guys! I'm Thesly

  18. help123please.
    • one year ago
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    Hello, Thesly. If you've any questions [regarding how to use this website; not mathematical ones :D] Feel free to ask me!

  19. theslytherinhelper
    • one year ago
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    Definitely! Thanks :D

  20. help123please.
    • one year ago
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    No problem:)

  21. ParthKohli
    • one year ago
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    or anybody

  22. ParthKohli
    • one year ago
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    though I am sure help123 will be better than others!

  23. help123please.
    • one year ago
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    Right^

  24. help123please.
    • one year ago
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    LOL, thanks, Parh:)

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