2) A psychology teacher decided to fail 12% of her class of 40 students. Theexam results of the class were roughly normally distributed with a mean of74 and a standard deviation of 7.A. What score must a student get in order to pass?B. How many students would get a score between77 and 85?

here given , mean = 74 and standard deviation = 7 Y= score of student in exam

Answered: A. What score must a student get in…

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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A. What score must a student get in order to pass? B. How many students would get a score between 77 and 85?