A manufacturing machine has a 50% defect rate. If 126 items are chosen at random, answer the following. a) Which is the correct wording for the random variable? rv X = the number of 126 randomly selected items that are defective b) Pick the correct symbol: n = 126 c) Pick the correct symbol: p O=0.5 d) What is the probability that exactly 62 of them are defective? Round final answer to 4 decimal places. e) What is the probability that less than 62 of them are defective? Round final answer to 4 decimal places. f) What is the probability that more than 62 of them are defective? Round final answer to 4 decimal places. g) What is the probability that exactly 66 of them are defective? Round final answer to 4 decimal places. h) What is the probability that at least 66 of them are defective? Round final answer to 4 decimal places. i) What is the probability that at most 66 of them are defective Round final answer to 4 decimal places.