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The expression P(z<1.27) represents the area under the standard normal curve below the given value of z. 

What is P(z<1.27)?

 

0.1020

0.1038

0.8962

0.8980

 Apr 4, 2019
 #1
avatar+18332 
+1

Look at your POSITIVE z-score table    

   look at z = 1.27        the value from the table is    .8980      that is the fraction of the total that is less than  z 1.27  

 Apr 4, 2019

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