Asked by titi
                Suppose X is a random variable with mean μ and standard deviation σ. If a large number of trials is observed, at least what percentage of these values is expected to lie between μ − 3σ and μ + 3σ? (Round your answer to the nearest whole number.)
            
            
        Answers
                    Answered by
            PsyDAG
            
    Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability of Z = ±3.
Or you can use this:
http://davidmlane.com/hyperstat/z_table.html
    
Or you can use this:
http://davidmlane.com/hyperstat/z_table.html
                                                    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.