A manufacturing machine has a 50% defect rate. If 131 items are chosen at random, answer the following. a) Which is the correct wording for the random variable? or X = the number of 131 randomly selected items that are defective v V' g4 b} Pick the correct symbol: -~' .34 = 131 c} Pick the correct symbol: .4 g4 = 0.5 d} What is the probability that exactly 70 of them are defective? Round final answer to 4 decimal places. 5.1652 x .34 0.0512 e} 1What is the probability that less than 70 of them are defective? Round final answer to 4 decimal places. 0.8082 x {.4 DJETEI