The number of copies made each week by teachers at Lamley High School follows a bell-shaped distribution with a mean of 550 copies and a standard deviation of 185 copies. Mr. Thomas made 782 copies last week. His z-score is
1.25. Which of the following statements best interprets this value?
A) Mr. Thomas made 125 more copies, on average, than the mean number of copies of teachers at Lamley High
School.
B) The number of copies Mr. Thomas made is 1.25 standard deviations less than the mean number of copies of
teachers at Lamley High School.
C) The number of copies Mr. Thomas made is 1.25 standard deviations more than the mean number of copies of
teachers at Lamley High School.
D) The number of copies Mr. Thomas made is 1.25 standard deviations less than the median number of copies of
teachers at Lamley High School.
E) The number of copies Mr. Thomas made is 1.25 standard deviations more than the median number of copies of
teachers at Lamley High School.