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March 24, 2017

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Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers.
A) 4/3 B) 1/81 C)1/64 D)3/4
I automatically think D.

  • MATH Prob. - ,

    1/3 * 1/3 * 1/3 * 1/3 = 1/81

  • MATH Prob. - ,

    thanks

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