The following table shows the probability of rolling the numbers 1 through 6 on a fair die.
2
3
4
5
6
P(X) 1/6 1/6 1/6 1/6 1/6 1/6
What is the standard deviation of the random variable X "the number that comes up on the die"?
O A. 3.745
• B. 14.028
O C. 2.917
O D. 1.708
O E. 3.5