gabbyalicorn
  • gabbyalicorn
A bag contains 5 red cubes and 7 white cubes. Celinda will select one cube, put it in her pocket, and then select a second cube. Which expression gives the probability that she will select two red cubes?
Mathematics
jamiebookeater
  • jamiebookeater
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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gabbyalicorn
  • gabbyalicorn
posting options give me a sec
pinklion23
  • pinklion23
ok
gabbyalicorn
  • gabbyalicorn
|dw:1433283481138:dw|

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More answers

gabbyalicorn
  • gabbyalicorn
oh sorry wait lemme just fix it
pinklion23
  • pinklion23
here is have to go but @gaos can help you
gabbyalicorn
  • gabbyalicorn
|dw:1433283551079:dw| okay well thanks for your help :)
pinklion23
  • pinklion23
i have to go but he will help you :)
gabbyalicorn
  • gabbyalicorn
gabbyalicorn
  • gabbyalicorn
anonymous
  • anonymous
Hello
gabbyalicorn
  • gabbyalicorn
hi!
Black_ninja123
  • Black_ninja123
I think It will be b
gabbyalicorn
  • gabbyalicorn
why do you say that?
Black_ninja123
  • Black_ninja123
First you select one cube the fraction is 5/12 after you select the other the cube you already used one so the fraction is 4/12 5-1=4
gabbyalicorn
  • gabbyalicorn
then it would be 4/12
Black_ninja123
  • Black_ninja123
yes
gabbyalicorn
  • gabbyalicorn
but 4/12 is not on there except for b
Black_ninja123
  • Black_ninja123
Why can't it be c though?
freeG13
  • freeG13
Um so you take one out of 12 and it is red also is 5/12 then you pick again and red it is 4 /11
Black_ninja123
  • Black_ninja123
so its c?
Black_ninja123
  • Black_ninja123
i mean d
gabbyalicorn
  • gabbyalicorn
i thought u knew @Black_ninja123
freeG13
  • freeG13
so I would think D
Black_ninja123
  • Black_ninja123
I'm confused between b and d
gabbyalicorn
  • gabbyalicorn
:/
gabbyalicorn
  • gabbyalicorn
Black_ninja123
  • Black_ninja123
D would be the correct answer
anonymous
  • anonymous
First you divide (What you want)/(what you've got) So 5/12 Then multiply it by (What you want)/(what you've got) but remember that one ball has gone 4/11 Then multiply both numbers 5/12.4/11
freeG13
  • freeG13
so you start out with 15 cubes but you take one (red and put it in your pocket then you pick again with 14 cubes and take one again (red)
gabbyalicorn
  • gabbyalicorn
its |dw:1433284220561:dw| from what @gaos said
freeG13
  • freeG13
5 out of 12 then 4 out of 11
freeG13
  • freeG13
D yes
gabbyalicorn
  • gabbyalicorn
okay i have one more... just one more
anonymous
  • anonymous
Yes
freeG13
  • freeG13
fire away!

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