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margin of error =.07 Confidence level is 90% is 1.65 p and q unknown Question: I'm looking for n= This is what I'm working on.
margin of error =.07
Confidence level is 90% is 1.65
p and q unknown
Question: I'm looking for n=
This is what I'm working on. I know that the .05 is wrong in the formula, can you explain
1.65^2 (.05) /.07^2=27.78= 28
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