posted by so confused! .
You have a 4-card deck containing a queen, a jack, a 10, and a 9. You draw a random card, put it back, and draw a second random card. Use a tree diagram to calculate the probability that you draw exactly 1 face card (a queen or a jack).
I cannot draw a tree diagram here.
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
Face card = 2/4 = 1/2
Non-face card = 2/4 = 1/2