India converts her raw score on a memory scale to a z score and finds that her score corresponds to a z score of -0.92.She knows her score is below the mean.What percent of people scored lower than India on the memory scale?
A) 17.88%
B) 31.12%
C) 50.00%
D) 81.12%

Question

Quizplus · Accepted Answer

A z-score of -0.92 indicates that India's score is below the mean, and the percentage of people who scored lower than her can be found using a standard normal distribution table or a calculator. A z-score of -0.92 corresponds to approximately 17.88% of the population scoring lower than India.

India Converts Her Raw Score on a Memory Scale to a Z