Is my Guss is 300 by the fardes I can think of
Answer: 
Step-by-step explanation:
Given : Sample size : n= 33
Critical value for significance level of
: 
Sample mean : 
Standard deviation : 
We assume that this is a normal distribution.
Margin of error : 
i.e. 
Hence, the margin of error is 
Option 3, is correct.
Just find the one that have the x's only, not the one that is squared or without one. It doesn't matter if the term is a negative or positive.
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