Given π = 39.4% and ? = 585 above, the fraction of sample proportions that fall within ±0.03 (3 percentage points) from π is,   a 0.8624                   b 0.8136                   c 0.7676                   d 0.7241

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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7 Given π = 39.4% and ? = 585 above, the fraction of sample proportions that fall within ±0.03 (3 percentage points) from π is,
 
a 0.8624                  
b 0.8136                  
c 0.7676                  
d 0.7241                  
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