In a testing survey of class X students with N = 500, their mean was observed as 80 and standard deviation as 8. Assuming of distribution of their scores, how many students would be below the score of a student getting 88?

In a testing survey of class X students with N = 500, their mean was o

1.	In a testing survey of class X students with N = 500, their mean was observed as 80 and standard deviation as 8. Assuming of distribution of their scores, how many students would be below the score of a student getting 88?
A.	171
B.	421
C.	84
D.	16
Answer» C. 84

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In a testing survey of class X students with N = 500, their mean was observed as 80 and standard deviation as 8. Assuming of distribution of their scores, how many students would be below the score of a student getting 88?

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