ore marks. He is placed in the first, second or thirc res 60% or more marks, between 45% and 60% m and 45% respectively. He gets distinction in case ks. It is noticed from the result that 13% of the nination whereas 8% of them obtained distinction.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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In an examination it is laid down that a student passes if he secures 30 per cent
or more marks. He is placed in the first, second or third division according as he
secures 60% or more marks, between 45% and 60% marks and marks between
30% and 45% respectively. He gets distinction in case he secures 80% or more
marks. It is noticed from the result that 13% of the students failed in the
examination, whereas 8% of them obtained distinction. Calculate the percentage
of students placed in the second and first division. (Assume normal distribution
of marks.)
Transcribed Image Text:In an examination it is laid down that a student passes if he secures 30 per cent or more marks. He is placed in the first, second or third division according as he secures 60% or more marks, between 45% and 60% marks and marks between 30% and 45% respectively. He gets distinction in case he secures 80% or more marks. It is noticed from the result that 13% of the students failed in the examination, whereas 8% of them obtained distinction. Calculate the percentage of students placed in the second and first division. (Assume normal distribution of marks.)
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