Find z-scores for a Given Area
-For a standard normal curve, find the z-score that separates the bottom $30 \%$ from the top $70 \%$.
A) $- 0.53$
B) $- 0.98$
C) $- 0.47$
D) $- 0.12$

Question

Quizplus · Accepted Answer

The z-score that separates the bottom 30% from the top 70% is found by looking up the area (or percentile) in a standard normal distribution table or using a calculator. The z-score corresponding to the 30th percentile is approximately -0.53.

Find Z-Scores for a Given Area -For a Standard Normal 30%30 \%30%

Find Z-Scores for a Given Area
-For a Standard Normal $30 \%$