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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