The casino game of craps uses 2 6-sided dice. There are 36 different possible outcomes when you throw the dice, only one of which is snake eyes (both show 1). If you play 100 rolls of craps, what is the standard error of the sum of rolls that comes up snake eyes?

a. 16.4

b. 1.64

c. 0.164

d. 0.0164

e. Not enough information provided to answer.