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Section Exercise 7-20 Find the associated z-score for each of the following standard normal areas. a.Highest 10 percent. (Hint: Use the Excel function =NORM.S.INV() to find the z-score.) (Round your answer to 4 decimal places.) z-score b.Lowest 50 percent. (Hint: Use the Excel function =NORM.S.INV() to find the z-score.) (Round your answer to 4 decimal places.) z-score c.Highest 7 percent. (Hint: Use the Excel function =NORM.S.INV() to find the z-score.) (Round your answer to 4 decimal places.) z-score

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Section Exercise 7-20Find the associated z-score for each of the following

standard normal areas. 

a.Highest 10 percent. (Hint: Use the Excel function =NORM.S.INV() to find the z-score.) (Round your answer to 4 decimal places.)

  z-score   

b.Lowest 50 percent. (Hint: Use the Excel function =NORM.S.INV() to find the z-score.) (Round your answer to 4 decimal places.)

  z-score   

c.Highest 7 percent. (Hint: Use the Excel function =NORM.S.INV() to find the z-score.) (Round your answer to 4 decimal places.)

  z-score  

 
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