A sample of size n = 42 is drawn from a population whose standard deviation is $\sigma = 8.5$ Find the margin of error for a 95% confidence interval for $\mu$
A) 1.49
B) 1.31
C) 0.88
D) 2.57

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The Answer of A sample of size n = 42 is drawn from a population whose standard deviation is $\sigma = 8.5$ Find the margin of error for a 95% confidence interval for $\mu$
A) 1.49
B) 1.31
C) 0.88
D) 2.57

A Sample of Size N = 42 Is Drawn from a Population