In an entrance test for admission 900 studentsappeared. Their average marks were 50 andstandard deviation 20.(i). Find the number of students securingbetween 30 and 70(ii) number of students exceeding the score of65.

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Answered: In an entrance test for admission 900…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In an entrance test for admission 900 students appeared. Their average marks were 50 and standard deviation 20. (i). Find the number of students securing between 30 and 70 (ii) number of students exceeding the score of 65.