Mathematics
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OpenStudy (anonymous):
Find the experimental probability of randomly selecting a marble that is either green or purple. Write your answer in simplest form
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OpenStudy (anonymous):
From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles.
OpenStudy (anonymous):
Still using this info, right?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
what grade
OpenStudy (anonymous):
Ok, thought I'd help by copying it.
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OpenStudy (anonymous):
7th
OpenStudy (anonymous):
ok can help
OpenStudy (anonymous):
what are y tring to figer out
OpenStudy (anonymous):
How many green and purple marbles are there, kk?
OpenStudy (anonymous):
A. 1/10
B. 1/5
C. 1/3
D. 2/15
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OpenStudy (anonymous):
i think d or b
OpenStudy (anonymous):
if not c
OpenStudy (anonymous):
So you need the probability of picking a green or purple.
OpenStudy (anonymous):
4 green and 6 purple
OpenStudy (anonymous):
@limecake08 please explain rather than giving the answer. Otherwise @kkomhgpop221 won't learn it.
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OpenStudy (anonymous):
Ok, so that's 10 total.
OpenStudy (anonymous):
right
OpenStudy (anonymous):
Out of 30 marbles.
OpenStudy (anonymous):
10/30
OpenStudy (anonymous):
So 10/30
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OpenStudy (anonymous):
Now you need to divide it to make it simplest form.
OpenStudy (anonymous):
A. 1/10
B. 1/5
C. 1/3
D. 2/15
OpenStudy (anonymous):
So, again, what's the smallest simple number you can divide by?
OpenStudy (anonymous):
um 5
OpenStudy (anonymous):
i equals to 1/3 becuas you divide them bothe by 10
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OpenStudy (anonymous):
That's true.
OpenStudy (anonymous):
10/10 and 30/10=1/3
OpenStudy (anonymous):
so 1/3 is the answer right
OpenStudy (anonymous):
Yup.
OpenStudy (anonymous):
timmy is 1/3 the right answer
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OpenStudy (anonymous):
thanks so much luv u all
OpenStudy (anonymous):
Yeah, I got it mixed up a second there XD
OpenStudy (anonymous):
can i have a medal
OpenStudy (anonymous):
You're welcome
OpenStudy (anonymous):
Sure
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OpenStudy (anonymous):
i gave u the right answer and i am smart
OpenStudy (anonymous):
Thanks for helping
OpenStudy (anonymous):
np
OpenStudy (anonymous):
can u help me on my q
OpenStudy (anonymous):
Depends on what it is
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OpenStudy (anonymous):
I'll help if I can
OpenStudy (anonymous):
look at it it is near the bootom