I am trying to understand how to use this formula from an example question. In the example question, p(Obs) is .167, p(Pop) is .2, and N is 24. The answer is z = -.4024 but I don't know why that is the answer. Can you help?

I am trying to understand how to use this formula from an example question. In the example question, p(Obs) is .167, p(Pop) is .2, and N is 24. The answer is z = -.4024 but I don't know why that is the answer. Can you help?

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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