If 28 percent of scores fall between a negative z score and the mean, then 32 percent of scores fall below that z score.

Question

Quizplus · Accepted Answer

In a normal distribution, if 28 percent of scores fall between a negative z score and the mean, then 50 percent (representing the half of the distribution from the mean to the negative infinity) minus 28 percent equals 22 percent of scores fall below that z score, not 32 percent.

If 28 Percent of Scores Fall Between a Negative Z