SOLUTION: on a multiple choice test with 10 questions, each question has 5 possible answers. if you make a random guess for each, what is the probability that only one question is answered c
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Question 547138: on a multiple choice test with 10 questions, each question has 5 possible answers. if you make a random guess for each, what is the probability that only one question is answered correctly
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
on a multiple choice test with 10 questions, each question has 5 possible answers. if you make a random guess for each, what is the probability that only one question is answered correctly
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Binomial Problem with n = 10 and p(correct) = 1/5
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P(x = 1 correct) = 10C1*(1/5)(4/5)^9 = 0.2684
Cheers,
Stan H.
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