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In a multiple choice exam there are 4 questions and for choices for each question ABC...

In a multiple choice exam there are 4 questions and for choices for each question ABC and D Nancy has not study for the exam at all and decides to randomly guess the answers what is the probability that A.) the 1st question she gets right is question number 4 B.) she gets all of the questions right and C.) she gets at least one question right

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