A large group of students took a statistics test. The mean score, from the scale of 100, was 74.5with a standard deviation of 7.5 The test scores have a bell-shaped distribution. 29What should the minimum score be set at so that a grade of A is given to the top 5% of test scores?a87 b88 c89 d90

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Answered: A large group of students took a…

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 large group of students took a statistics test.
The mean score, from the scale of 100, was	74.5	with a standard deviation of	7.5
The test scores have a bell-shaped distribution.

29	What should the minimum score be set at so that a grade of A is given to the top	5%	of test scores?
a	87
b	88
c	89
d	90