Answered: A sample of university students has an…

A sample of university students has an average GPA of 2.78 with a standard deviation of 0.45. What is the z-score if a student has a GPA less than 3.78

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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Question

A sample of university students has an average GPA of 2.78 with a standard deviation of 0.45.

What is the z-score if a student has a GPA less than 3.78

Expert Solution

Step 1

We have given that,

Let X be the GPA scores from normal distribution with average or mean (μ) = 2.78 and standard deviation (σ) = 0.45 and GPA score ≤ 3.78

Then,

We will find the Z- score?

Step by step

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