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a test has several multiple choice questions, each with 5 choices. if oh guess on 4 questions what id the probability of getting all 4 correct

Respuesta :

32/100000. The probability you get 1 right is 1/5 which is 0.2%, you do 0.2*0.2*0.2*0.2*0.2 which gives you 0.00032

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