What is the z-score for a 98% confidence interval?

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Nov 3, 2015

Answer:

#z# - score for 98% confidence interval is #2.33#

Explanation:

How to obtain this.

Half of #0.98 = 0.49#

Look for this value in the area under Normal curve table.

The nearest value is 0.4901

Its #z# value is #2.33#

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