Question
In order to approximate the probability of a sample​ proportion, which of the following
needs to be​ true:
 
A.
np ​> 30
 
B.
nq ​> 10
 
C.
np ​> 10 and nq ​> 10
 
D.
np ​> 10
 
E.
We can always approximate the probability of a sample proportion.

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