You take a fraction for example,6/12 and you find the GCF of both numbers in this case it would be 6 because 6 is the GCF.I hope this helps
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Answer with explanation:</h2>
As per given , we have
n= 1025
x=707

Critical value for 99% confidence interval : 
Confidence interval : 
i.e. 
i.e. 
i.e. 

99% confidence interval for the proportion of all U.S. adults in December of 2012 who were optimistic about their finances in 2013= (0.653, 0.727)
Interpretation : We are 99% confident that the true population of all U.S. adults in December of 2012 who were optimistic about their finances in 2013 lies in interval (0.653, 0.727).
Answer:
the first one
Step-by-step explanation: