Use the normal approximation to the binomial to find the probability for  =n=12, p0.5,  and  ≥X9 . Round  z -value calculations to  2  decimal places and final answer to  4  decimal places.   The probability is

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Use the normal approximation to the binomial to find the probability for 

=n=12, p0.5, 

and 

≥X9

. Round 

z

-value calculations to 

2

 decimal places and final answer to 

4

 decimal places.

 
The probability is 
 
.
 
 
 
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