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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
25 Nov 2021

Given information

Given:

Population mean    

Population standard deviation  

Step-by-step explanation

Step 1.

The third quartile means   percentile.

Follow the provided steps of Ti-84 calculator to find the required value:

  1. Press 2ND > VARS > invNorm( > ENTER.
  2. Write area = 0.75, mean = 1956.8 and standard deviation = 572.3.
  3. Click on ENTER.

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