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math

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A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering 3 OR 4 questions correctly.
0.131836
0.032959
0.004639
0.164795

  • math - ,

    I would get the chances of getting 3 questions right and the chances of getting 4 questions right, and then add the two chances together.

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