Let A and B be two events on the same sample space. The probability that the event A occurs equals 0.3. The probability that the event B occurs equals 0.45. The probability that at least one of the events A and B occurs equals 0.6. Note: Enter probabilities as a decimal number or a fraction, not as a percentage. Find the probabilities: (a) Both the events A and B occur. (b) Exactly one of the events A and B occur. (c) At least one of the events A and B' occur.

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