A study shows the number of hours per week school-aged children spent playing computer games is normally distributed with a mean of 10 hours and a standard deviation of 6 hours. What is the z score of someone who plays 25 hours per week? Is the z score unusually high? . .... O A. 2.5; yes O B. 1.9; no O C. 0.16; no O D. -0.16; yes Question Viewer