Two different teams named A and B are asked to separately design a new product within a month. From past experience we know that: 1. The probability that team A is successful is 2/3. 2. The probability that team B is successful is 1/2 3. The probability that at least one team is successful is 3/4 Assuming that exactly one successful design is produced, what is the probability that it was designed by team B?

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