What is the variance of the given probability 1 point distribution? (ROUND OFF TO NEAREST FOUR DECIMAL PLACES) * 77 78 79 80 81 P(X ) 0.15 0.16 0.19 0. 41 0.09 O 1.3151 O 1.3511 O 1.5131 O 1.5311Problem Solving #1 Which of the following value is appropriate for point standard deviation of the given probability distribution? (ROUND OFF TO NEAREST TWO DECIMAL PLACES) * X 77 78 79 80 81 P(x) 0.15 0.16 0.19 0. 41 0.09 1.15 1.16 1.23 1.25