a) Complete the curve below by entering the values of areas under the curve, the values of 1, 2 and 3 standard deviations, based on the Empirical Rule. = O = _% % b) The education officer wants to know what percentage of students whose scores were greater than 100 marks.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Common Entrance are usually graded out of 150 marks. The education officers of one of the
education districts, knows that the mean score in the district is 80 with a standard deviation of 20.
The students' scores follow a normal distribution. There are 500 students in the district who sat the
Common Entrance Exam.
a) Complete the curve below by entering the values of areas under the curve, the values of 1, 2 and 3 standard
deviations, based on the Empirical Rule.
_%
_%
b) The education officer wants to know what percentage of students whose scores were greater than 100 marks.
II
Transcribed Image Text:Common Entrance are usually graded out of 150 marks. The education officers of one of the education districts, knows that the mean score in the district is 80 with a standard deviation of 20. The students' scores follow a normal distribution. There are 500 students in the district who sat the Common Entrance Exam. a) Complete the curve below by entering the values of areas under the curve, the values of 1, 2 and 3 standard deviations, based on the Empirical Rule. _% _% b) The education officer wants to know what percentage of students whose scores were greater than 100 marks. II
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