Asked by ROKYA SHAFRIN R
                the score of an achievement test is given to 100000 students are normaly distributed with mean 500 and s.d 100.what should be the score of a student to place among him top 10% of all students
            
            
        Answers
                    Answered by
            R_scott
            
    from the z-score table
the top 10% of students have scores that are
... approximately 1.28 s.d. above the mean
500 + (100 * 1.28)
    
the top 10% of students have scores that are
... approximately 1.28 s.d. above the mean
500 + (100 * 1.28)
                    Answered by
            Priyadharshini
            
    Answer please
    
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