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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
1 Nov 2021

Given information

Mean  

Standard deviation  

Step-by-step explanation

Step 1.

X follows  

We need to evaluate  

Using Ti84, press VARS and go to DISTR menu, scroll down to

normalcdf(xmin, very high x-value, µ, σ)

substituting the values, and highlight calculate, and press enter.

Hence,  

 

 

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