How would this be solved using a TI-84 calculator and not excel?

Consider the following probability distribution for stocks A and B: State Probability Return on Stock A Return on Stock B 1 0.15 8 % 8 % 2 0.20 13 % 7 % 3 0.15 12 % % 4 0.30 14 % 9 % 5 0.20 16 % 11 % OO Noa de deede The standard deviations of stocks A and B are __and respectively. 1.56%; 1.99% 2.45%; 1.66% 3.22%; 2.01% 1.54%; 1.11%