Question 1127704
 If you make random guesses for multiple choice test questions each with five possible answers what is the probability of getting at least one correct?
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Binomial Problem with p = 1/5 and x >= 1
Note:: You did not post the number of questions (n).
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Ans:: 1-P(none correct) = 1 - (4/5)^n 
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Cheers,
Stan H.
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