The standard deviation of a normal distribution of data is 2, and 3 standard deviations below the mean is greater than 48. What is a possible value for the mean of the distribution?
Options.
A) 46 B) 47 C) 48 D) 55 E) 50

Rationale: "the standard deviation ( { sd } ) = 2 ; 3 standard deviations below the mean is greater than 48 : { mean } - 3 * { sd } > 48 ; { mean } - 6 > 48 ; { mean } > 54 . answer : d ."
Answer: D