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OpenStudy (bambimonster):
if a thumb-tack is flipped, then the probability that it will land point up is 1/3. if this thumb tack is flipped 6 time, then the probability that it lands point up on exactly 2 flips is equal to?
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OpenStudy (bambimonster):
@BangkokGarrett
OpenStudy (bambimonster):
is it 6c2?
OpenStudy (anonymous):
It's 6c2 x (1/3)^2 x (2/3)^4
OpenStudy (bambimonster):
okay thanks got it :D for once! haha
OpenStudy (anonymous):
I get 80 / 243 or about 0.329
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OpenStudy (bambimonster):
yups thats the answer. thx alot
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