-0.5244 will separates the highest 70% of the scores in a normal distribution from the lowest 30%
Normal Distribution is bell shaped and symmetrical in nature.
We use standard normal to find probabilities of normal distribution.
Fig 1 represents Graph of standard normal
and Fig 2 is % points Table for standard normal distribution.
From % points Table the value separates the highest 70% of the scores in a normal distribution from the lowest 30% is 0.5244 since 30% lies left side from 0 it will be negative
⇒ value separates the highest 70% of the scores in a normal distribution from the lowest 30% is -0.5244
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