Math 210

Find the standard deviation. (Enter an exact number as an integer, fraction, or decimal.) x P(x) X*P(x) ( x - H ) 2 P (x ) 1 0.1 1(0.1) - 0.1 (1 - 2.7)2(0.1) - 0.289 2 0.3 2(0.3) = 0.6 (2 - 2.7)2(0.3) = 0.147 3 0.4 3(0.4) = 1.2 (3 2.7)2(0.4) - 0.036 4 0.2 4(0.2) = 0.8 (4 - 2.7)2(0.2) = 0.338