Pierre asks Sherry a question involving the theoretical probability of a compound event in which you flip a coin and draw a marble from the bag. The bag of marbles contains 3 white marbles, 8 green marbles, and 9 black marbles. Sherry's correct answer was 12/40. What was Pierre's question?
What do you think the probability of a compound event in which you flip a coin and draw a marble from the bag would be if the marble bag contains 3 white marbles, 8 green marbles, and 9 black marbles?