The weight of tomatoes of a given size normally fluctuates with mean = 150 g and sd=30 g. A bag is filled with 15 randomly selected tomatoes. a) What is the probability that a tomato in the bag weighs more than 200 g? b) What is the probability that the largest tomato in the bag weighs more than 200 g? c) What is the probability that only the smallest tomato in the bag weighs less than 120 g? d) What is the probability that the total weight of the bag is less than 2 kg