10000 students take 100-points exam, 6300 of them passed the exam; if the distribution of the scores for all students is normal distribution with mean is equal to 70 and standard deviation 8. a. Find the number of students gets scores between 60 and 80. b. What is the score for passing.

10000 students take 100-points exam, 6300 of them passed the exam; if the distribution of the scores for all students is normal distribution with mean is equal to 70 and standard deviation 8. a. Find the number of students gets scores between 60 and 80. b. What is the score for passing.

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

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10000 students take 100-points exam, 6300 of them passed
the exam; if the distribution of the scores for all students is
normal distribution with mean is equal to 70 and standard
deviation 8.
a. Find the number of students gets scores between 60 and 80.
b. What is the score for passing.

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