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Find the probability of correctly answering the first 5 questions on a multiple choice test if random guesses are made and each question has 3 possible answers?

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Jun 19, 2018

Answer:

#(1/3)^5=1/243~~0.0041#

Explanation:

The probability of getting any of the questions correct is #1/3#. This means that getting all 5 of the questions correct is:

#1/3xx1/3xx1/3xx1/3xx1/3=(1/3)^5=1/243~~0.0041#

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