Need help with a Statistical Analysis (Confidence Intervals)

Nov 5th, 2015
SoccerBoss
Category:
Statistics
Price: $15 USD

Question description

When constructing a confidence interval for a population mean with σ known, the margin of error is given by

E = zα/2
σ
n
.

If you want a confidence interval at the 96% confidence level, what is the value for 

zα/2

 in this formula? Use the value found in the table or, if using software, round to 2 decimal places. 
zα/2 = 

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