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OpenStudy (anonymous):
what's your question? ^_^
OpenStudy (anonymous):
He probably doesn't know :D
OpenStudy (anonymous):
The equations for probability
OpenStudy (anonymous):
probability of what?
OpenStudy (anonymous):
hmm, I think I got what you've meant :) :
Probability of something = total number of that thing
----------------------
Total number of everything
Let me know if you don't get it :)
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OpenStudy (anonymous):
for example, if I have 4 red marbles and 6 blue marbles, what is the probability of you pulling a blue marble out randomly?
Let's list the given:
red = 4
blue = 6
so the probability of pulling out 1 blue marble is = 6 (total number of blue marbles)
-----------------------------
10 ( total number of marbles)
= 3/5
^_^