Asked by Nakita
                Scores on a test are normally distributed and have a mean of 75 and a standard deviation of 4.2. What score does a student need in order to rank in the top 20%?
            
            
        Answers
                    Answered by
            Steve
            
    play around here to learn how the Z table stuff works:
http://davidmlane.com/hyperstat/z_table.html
    
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.