Asked by Anonymous
                 there is a 1/5 (.20) probability that one type of appliance will break with in two years. find the probability that 4 out 15 such appliances willl break within that time period
            
            
        Answers
                    Answered by
            MathGuru
            
    Try the binomial probability formula:
P(x) = (nCx)(p^x)[q^(n-x)]
n = 15
x = 4
p = .20
q = 1 - p = .80
Substitute the values into the formula and calculate your probability.
    
P(x) = (nCx)(p^x)[q^(n-x)]
n = 15
x = 4
p = .20
q = 1 - p = .80
Substitute the values into the formula and calculate your probability.
                                                    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.