A vertical line is drawn through a normal distribution dividing the distribution into two parts.If the smaller part equals 0.1915 of the distribution,then the line was drawn at z = 0.50 or at z = -0.50.

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This statement is false. If the smaller part of the distribution equals 0.1915, then the corresponding area in the normal distribution table would be 0.5 - 0.1915 = 0.3085. This area corresponds to a z-score of approximately 0.47 or -0.47, not 0.50 or -0.50.

A Vertical Line Is Drawn Through a Normal Distribution Dividing