1. P(A)= 0.22, P(B)= 0.35, P(C)= 0.3, P=(A v B v C)= 0.76, events A and B are mutually exclusive, and events and are independent. Determine the odds of events A and B occurring.

2. A card is chosen from a deck of cards and a coin is tossed. Design an experiment using a spinner to determine the probability of drawing a heart and tossing tails. Explain why a spinner would not be practical when the probability of drawing the ace of spades and hearts is to be determined.

3. The probability of event A occurring is double that of event B occurring, and quadruple that of event C occurring. If the odds of all 3 events happening is 27:973, determine the probability of event B happening alone.