Answered: statistics 5.3 Find the z-scores for…

statistics 5.3 Find the z-scores for which 97% of the distribution's area lies between -z and z. Can you tell me how to solve this in a TI-84 calculator?

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

100%

statistics 5.3

Find the z-scores for which 97% of the distribution's area lies between -z and z.

Can you tell me how to solve this in a TI-84 calculator?

Expert Solution

Step 1

From the standard normal distribution table, if P(-z<Z<z)=0.97

$2 P (0 < Z < z) = 0.97 P (0 < Z < z) = 0.485 z = - 2.17$

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