Scores on the American College Testing (ACT) College Entrance Exam

Multiple Choice

Scores on the American College Testing (ACT) college entrance exam follow the Normal distribution with mean 18 and standard deviation 6. Wayne's standard score on the ACT was -1.1.
Wayne's buddy Garth took the SAT. His standard score on the SAT was 0.6. This means that Garth's actual score was

A) more than 1 standard deviation below the mean SAT score.
B) less than 1 standard deviation below the mean SAT score.
C) less than 1 standard deviation above the mean SAT score.
D) more than 1 standard deviation above the mean SAT score.
E) Can't tell without knowing the standard deviation.