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OpenStudy (goformit100):
In an examination there are three multiple choice questions and each question has 4 choices. Number of ways in which a student can fail to get all answer correct is (A) 11 (B) 12 (C) 27 (D) 63
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OpenStudy (goformit100):
@dan815
OpenStudy (dan815):
total prob - total prob of all correct
OpenStudy (dan815):
oh ways total ways - total ways to get all correct
OpenStudy (goformit100):
How can I get the explanation ?
OpenStudy (dan815):
no thats not right
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OpenStudy (dan815):
3 multiple choice so
OpenStudy (dan815):
|dw:1371199600693:dw|
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