Statistics - Margin of Error
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1. Under the case that population standard deviation delta is known and sample size n > 30. Show the margin of error for a 95% confidence interval (CI) for population mean µ as follows
c = 1:96 (delta/sqrt n)
(c= 1.96 x populations standard mean/square root of sample size n)
What will happen about the margin of error when the sample size increases?
[Please see the attached question file].
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Solution Summary
Step-by-step solution that determines the margin of error is provided.
Solution Preview
(1) First, from the Table of Areas under the Standard Normal Curve we note that 0.95 corresponds to a z- score of 1.96 ...
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