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OpenStudy (anonymous):
A.
0.667
B.
0.154
C.
0.235
D.
0.320
OpenStudy (anonymous):
tbh im not sure
OpenStudy (sleepyjess):
Mmmmm.... let me refresh my memory on this really quick
OpenStudy (anonymous):
ok
OpenStudy (sleepyjess):
Ok, so all this really is is taking all of the students that got a B divided by the number of students in the science class
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OpenStudy (anonymous):
so then divide by ?
OpenStudy (anonymous):
so b=7 by 15?
OpenStudy (anonymous):
or b=12 by 15
OpenStudy (sleepyjess):
(students with a B)/(students in science)
OpenStudy (sleepyjess):
How many students with a B are there total?
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OpenStudy (anonymous):
so 12 / 25
OpenStudy (anonymous):
i need a little more help like what do i divide by?
OpenStudy (anonymous):
u thinking?
OpenStudy (anonymous):
HELP PLZZZZZZ
OpenStudy (anonymous):
i dont no what to do
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OpenStudy (anonymous):
Okay first, you total all the people n science class, and put it on the bottom.
OpenStudy (anonymous):
so 12
OpenStudy (anonymous):
i mean 25
OpenStudy (anonymous):
Yes, then put the grades in B that are ALSO in science on the top of the fraction
OpenStudy (anonymous):
yes but i dont understand how?
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OpenStudy (anonymous):
like 12/25
OpenStudy (anonymous):
It's 8/25. Because there's 8 grades that are in the B AND science columns, you see?
OpenStudy (anonymous):
but thats not a answer
OpenStudy (sleepyjess):
Sorry, my mom got home, yes is is 12/25
OpenStudy (anonymous):
well maybe d
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OpenStudy (anonymous):
Yep, it's D :)
OpenStudy (sleepyjess):
Maybe @TuringTest could clarify?
OpenStudy (anonymous):
ok i thinks its d to then
OpenStudy (sleepyjess):
Mmmm.... I see where I went wrong now.
OpenStudy (anonymous):
It's saying find the probably that a student will have a B in science
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OpenStudy (sleepyjess):
Yep
OpenStudy (anonymous):
So you cant calculate the math grades into it
OpenStudy (sleepyjess):
You are right @bruhhh
OpenStudy (anonymous):
You and a friend each roll a standard die to see who goes first in a board game. What is the probability that at least one of you rolls a 6?
A.
16
B.
1136
C.
2536
D.
56
OpenStudy (sleepyjess):
New thread?
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OpenStudy (anonymous):
Why its easier to do it here?
OpenStudy (turingtest):
why do you think it is 12/25 ?
OpenStudy (anonymous):
its not its 8/25
OpenStudy (turingtest):
I know, but there seems to be some confusion and I was tagged
OpenStudy (anonymous):
well we got it but if u wont help on the next question
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OpenStudy (turingtest):
please post each question separately as per the code of conduct of this site
thanks