3} A quality control engineer tests the quality of produced computers. Suppose that 5% of computers have defects, and defects occur independently of each other. Find the probability that the engineer has to test at least 5 computers in order to nd 2 defective ones. {Select 'llt'l Opts) O P(X 2 3): 1-(0115)2 O P(X 3 4) = 1-(0.05)2 2(0.05)2(.95) 0 P(X = 5) = 4(0.05)2(.95)3 O 1-(0115)2 2(0.05)2(.95)3(0.05)2(.95)2 = 038598125 0 All ofthe above