12-Two machines M, and M2 manufacture stems. They respectively produce 1/3 and 2/3 of the production. The machine M, bring out 5% defective cards and Mz bring out 6%. There are the events: A: "the card is manufactured by MI". B: "the card is manufactured per M,". D: "the card is defective". a) What is the probability that the card is manufactured by M? b) We drawn a card from the production of My. What is the probability that it is defective? c) What is the probability to be defective? d) What is the probability that a defective piece was been manufactured by My? a P[M,] ;b P[D/MI] ;c P[D] etd P[M /D]