Asked by Dan
                What is the probability that 4 rolls of fair die will show three 4's?
the answer is 0.015, but I don't know how to get it.
            
        the answer is 0.015, but I don't know how to get it.
Answers
                    Answered by
            economyst
            
    Ok, first choose the roll that is NOT a 4.  There are 4 possibilities.  The probability of rolling NOT a 4 is 5/6.  The prob of rolling a 4 is 1/6.
So, the prob with 4 roll of rolling three 4's is: 4*(5/6) * (1/6)^3
    
So, the prob with 4 roll of rolling three 4's is: 4*(5/6) * (1/6)^3
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.