Use a standard normal table to find the z-score that corresponds to the 80th percentile.

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11-11-2017
Mathematics

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Use a standard normal table to find the z-score that corresponds to the 80th percentile.

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barnuts barnuts · Answer 1 · 2017-11-21T10:16:39+01:00

barnuts barnuts

21-11-2017

The 80 th percentile simply corresponds to the P value = 0.80 or the area which comprises 20% from the right of the standard curve. So from the standard normal tables, the z score at 80 th percentile is given as:

z score = 0.84

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