A quiz has 3 multiple-choice questions. Each question has 5possible answers, one
ID: 2954842 • Letter: A
Question
A quiz has 3 multiple-choice questions. Each question has 5possible answers, one of which is correct. If you randomly guess oneach question, what is the probablity that you get all 3 answerscorrect? I know you have a 1 in 5 chance for each question. I know thisisn't a permutation and I don't think it's a combination. Pleasehelp. A quiz has 3 multiple-choice questions. Each question has 5possible answers, one of which is correct. If you randomly guess oneach question, what is the probablity that you get all 3 answerscorrect? I know you have a 1 in 5 chance for each question. I know thisisn't a permutation and I don't think it's a combination. Pleasehelp.Explanation / Answer
you want to get the first one AND the second one AND the thirdquestion rightAND = multiply so (1/5)(1/5)(1/5)=1/125 or 0.8%
AND = multiply so (1/5)(1/5)(1/5)=1/125 or 0.8%