A bag contains 1 blue, 2 white, and 2 red marbles. Match the columns. Drag the letter after a compound event in the left column and drop it before the matching probability in the right column. Select Submit to see if you are correct.
1. the probability of red and red, with replacement
2. the probability of white and white, without replacement
3. the probability of blue and red, with replacement
4. , without replacement
a.16%
b.8%
c.10%
d.20%
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OpenStudy (anonymous):
@Directrix plz help
OpenStudy (anonymous):
pretty plz
Directrix (directrix):
Have you worked on this?
Directrix (directrix):
@_Bugzbunny_
OpenStudy (anonymous):
yeah i am just confused
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Directrix (directrix):
Prob (RR) with replacement = 2/5 * ?
OpenStudy (anonymous):
2/5 i think because red to red
Directrix (directrix):
2/5 * 2/5 = ?
OpenStudy (anonymous):
so 1- 16%
Directrix (directrix):
4/25
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Directrix (directrix):
Why are you subtracting from 1
OpenStudy (anonymous):
i am not the first one is 16%
OpenStudy (anonymous):
am it right
OpenStudy (anonymous):
i not it lol
OpenStudy (anonymous):
8%
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OpenStudy (anonymous):
right?
Directrix (directrix):
Yes.
Directrix (directrix):
the probability of blue and red, with replacement
2/5 * 1/5 =
OpenStudy (anonymous):
also 8 % percent but u cant do that
Directrix (directrix):
I don't know what you mean by that.
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OpenStudy (anonymous):
i dont think both of them could be the same answer
OpenStudy (anonymous):
of 8%
Directrix (directrix):
B, R no replace
1/5 * 2/4 =
OpenStudy (anonymous):
10%
Directrix (directrix):
This is the one that is wrong.
the probability of white and white, without replacement 2 white 5 marbles 2/5 * 1/5 =
should be 2/5 * 1/4 = ?
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OpenStudy (anonymous):
omg its all in order lol
Directrix (directrix):
That looks like another 10%, so I don't about that, B. Bunny
Directrix (directrix):
Is that it?
OpenStudy (anonymous):
so r they both 10%
OpenStudy (anonymous):
idk
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OpenStudy (anonymous):
1is 16%
2 is 10%
and is 3 also 10%
Directrix (directrix):
1. the probability of red and red, with replacement
2. the probability of white and white, without replacement
3. the probability of blue and red, with replacement
4. , without replacement
Directrix (directrix):
I do not like percentages. They are dead ends.
I prefer the fractional probabilities. They do not mask from whence they came.
OpenStudy (anonymous):
what do u mean
Directrix (directrix):
What is the answer on 4
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OpenStudy (anonymous):
i think maybe 20 percent because thats all we have left
OpenStudy (anonymous):
do i just do
1 is a
2 is b
3 is c
4 is d
right???
OpenStudy (anonymous):
my brother is being a brat!!! right now and it is not helping my day get better
Directrix (directrix):
Check those.
OpenStudy (anonymous):
1. 16 %
2. 8%
3. 8%
4. 10%
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Directrix (directrix):
I wish you'd help me check the probabilities.
OpenStudy (anonymous):
i believe i am correct and the calculator says so
OpenStudy (anonymous):
my teacher says i can use a calculator
Directrix (directrix):
1) 4/25
2) 2/20
3) 2/25
4) 2/20
OpenStudy (anonymous):
so 2 and 4 are 10 %
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