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OpenStudy (anonymous):
A box contains 12 green balls, 14 red balls, 15 white balls, and 9 black balls. What is the probability of drawing a white ball out of the box? A. 1/15 B. 1/4 C. 3/10 D. 3/7
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OpenStudy (anonymous):
First, get the total by adding the green, red, white and black together.
OpenStudy (anonymous):
50
OpenStudy (anonymous):
@mipie13
OpenStudy (anonymous):
So 50 will be your denominator. So now your fraction will be 11/50 since there are 11 white balls.
OpenStudy (anonymous):
Oops typo: 15.
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
i got C. 3/10 @mipie13
OpenStudy (anonymous):
That's what I got. Good job! :) Sorry I had connection problems.
OpenStudy (anonymous):
thats ok @mipie13 i gave you a medal
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