Р(x = x 0.02 0.1 2 0.37 4 0.51 answer the following questions, rounding your answers to two decimal places where appropriate. (a) what is the expected value of x? (b) what is the standard deviation of x? (c) what is the expected value of 2x? (d) what is the standard deviation of 2x? (e) what is the expected value of 2x - 3? (f) what is the standard deviation of 2 x - 3? (g) what is the expected value of x2? (h) consider the random variable y = 10 6x. what is p(y