3 ms·
99.7% will be within 3 standard deviations: http://en.wikipedia.org/wiki/68-95-99.7_rule http://en.wikipedia.org/wiki/68-95-99.7_rule
by arcamax 15y ago
99.7% will be within 3 standard deviations: http://en.wikipedia.org/wiki/68-95-99.7_rule http://en.wikipedia.org/wiki/68-95-99.7_rule