anonymous
  • anonymous
You draw a marble from a bag of 120 marbles, you chart the color a replace it. estimate the number of marble in the bag that are: -yellow -red -green by using this information How many time been drawn Y-3 R-7 G-5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Well stated =D
anonymous
  • anonymous
=)
anonymous
  • anonymous
What I'd do is I'd think about how many times I've drawn a marble TOTAL. Then I'd think about how many times I've drawn a specific color. Then I'd guess that the color was that fraction of the whole bag.

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anonymous
  • anonymous
For example, imagine I have 20 marbles total in a bag. I draw 4 and I get a red marble once. I can guess that red is 1/4th of the bag, meaning there are 5 red marbles.
anonymous
  • anonymous
ok so how would i do it with 120 marbles
anonymous
  • anonymous
You drew: y-3 r-7 g-5 let's think about trying to guess how many greens are in the bag. Of the marbles that I drew, what fraction were green?
anonymous
  • anonymous
5/15 right?
anonymous
  • anonymous
@SmoothMath
anonymous
  • anonymous
Right. Which is the same as 1/3. So if you pulled 1/3 greens, just assume that 1/3 of the 120 marble bag is greens. How many is that?
anonymous
  • anonymous
um...
anonymous
  • anonymous
\[\approx\]33%
anonymous
  • anonymous
soooo 40
anonymous
  • anonymous
Yes =D
anonymous
  • anonymous
Try the other 2 colors on your own and tell me what you get.
anonymous
  • anonymous
yayyyy
anonymous
  • anonymous
hmmm for y i get 24 but for red its 7/15 so now what @SmoothMath
anonymous
  • anonymous
..
anonymous
  • anonymous
@SmoothMath
anonymous
  • anonymous
120* (7/15)

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