let x be the random variable that represents the number of workouts that i will do in a week. the distribution of x is shown in the table below. x p(x) 0 0.06 1 0.18 2 0.34 3 0.22 4 0.2 find the expected value of x. (a) 0.94 (b) 2.32 (c) 2.38 (d) 2.14 find the standard error of x. (a) 1.16 (b) 2.32 (c) 1.01 (d) 2.16