Question 759056: their are 5 questions and 4 answers to each what is the probability of guessing 1 right Found 2 solutions by stanbon, MathLover1:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! their are 5 questions and 4 answers to each what is the probability of guessing 1 right
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Binomial Problem with n = 5 and P(correct) = 1/4
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P(x = 1) = 5C1(1/4)(3/4)^4 = 5(1/4)(81/256) = 405/1024 = 0.3955
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Cheers,
Stan H.
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