[" Q.14) Let X denote sum of number obtained when twafait dice are rolled.Find "],[" standard deviation of X."]

Let X denote the sum of the numbers obtained when two fair dice are rolled.Find the standard deviation of X.

Let X denote the sum of the numbers obtained when two fair dice are rolled.Find the variance and standard deviation of X .

Let X denote the sum of the numbers obtained when two fair dice are rolled. Find the variance and standard deviation of X.

Let X denote the sum of the numbers obtained when two fair dice are rolled. Find the variance and standard deviation of X.

Let X denote the sum of the numbers obtained when two fair dice are rolled. Find the variance and standard deviation of X.

Let X denote the sum of the numbers obtained when two fair dice are rolled. Find the variance and standard deviation of X.