Please SOLVE ALL PARTS of the questions IN DETAIL with EXPLANATION

Problem 2 A conservative design team, call it C, and an innovative design team, call it N, are asked to separately design a new product within a month. From past experience we know that: l. The probability that team 0 is successful is 2/3. 2. The probability that team N is successful is 1/2. 3. The probability that at least one team is successful is 3/4. Assuming that exactly once successful design is produced, what is the probability that it was designed by team N