59) In a pizza takeout restaurant, the following probability distribution was obtained. The rand variable x represents the number of toppings for a large pizza. Find the mean and standar deviation. P(x) 0 0.30 10.40 20.20 3 0.06 4 0.04 A) mean: 1.30; standard deviation: 2.38 C) mean: 1.14; standard deviation: 1.04 B) mean: 1.54; standard deviation: 1 D) mean: 1.30; standard deviation: 1.